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STORE ENVIRONMENT’S IMPACT ON VARIETY SEEKING
BEHAVIOR
Geetha Mohan *1
Bharadhwaj Sivakumaran 2
Piyush Sharma 3
April 2012
1 *Corresponding author: Assistant Professor, SSN School of Management and Computer Applications, Chennai, India. Phone: +91-44 2747 5063/Fax: +91-44-22574552. E-mail: [email protected]
2 Professor, Great Lakes Institute of Management, Chennai, India. Phone: +91-44-
30809210, Fax: +91-44-30809011, Email: [email protected] 3 Associate Professor, Department of Management and Marketing, Faculty of Business,
The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong. Phone: +852-2766-7367, Fax: +852-2765-0611, Email: [email protected]
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STORE ENVIRONMENT’S IMPACT ON VARIETY SEEKING BEHAVIOR
ABSTRACT
This paper explores the influence of store environment on variety seeking behavior with a
model incorporating various components of store environment (music, light, assortment,
employee, and layout) and personality variables, optimum stimulation level (OSL) and deal
proneness. Using a mall survey with shoppers in Dubai, the study establishes that store
environment, OSL and deal proneness affect variety seeking positively. This paper extends
extant literature by studying comprehensively the impact of store environment on variety
seeking. This research suggests that retailers need to invest in the components of store
environment to enhance variety seeking. Methodologically, the model incorporates the Schmid-
Leiman factor structure to address the limitations posed by reflective models.
Keywords: Variety seeking behavior, positive effect, optimum stimulation level, store
environment, structural equation modeling
2
1. INTRODUCTION
Variety seeking behavior is the tendency of an individual to seek change over time and it
continues to attract attention in the retail and shopping context (e.g., Givon, 1984; Sharma et al.,
2010a, 2010b). The variety seeking literature deals with issues such as the determinants of
variety seeking (e.g., Van Trijp et al., 1996), models of variety seeking (e.g., McAlister, 1982)
and its relationship with marketing phenomena like segmentation (Trivedi, 1999) and market
share (Feinberg et al., 1992).
Prior research shows that various personality, product category and situational variables
may drive variety seeking. Personality variables include optimum stimulation level (Steenkamp
and Baumgartner, 1992), deal proneness (Martinez and Montaner, 2006), self-monitoring (Ratner
and Kahn, 2002) and goal orientation (Wu and Kao 2011). Product category-level characteristics
such as involvement (subjective personal relevance of a product) and hedonic features (features
in products that cause sensory gratification and give pleasure) also affect variety seeking (Van
Trijp et al., 1996). Similarly, situational factors such as positive affect (Kahn and Isen, 1993),
public scrutiny of choices (Ratner and Kahn, 2002) and activation of negative concepts like
“boredom” (Fishbach et al., 2011) impact variety seeking.
On the other hand, there is growing interest in enhancing store environment as retailers
are going the extra mile in making the retail “experience” a key differentiator. A store’s
environment influences the quantity of purchase, store liking, time and money (Sherman et al.,
1997), quality and evaluation of merchandise (Baker et al., 1994), sales (Milliman, 1982),
product evaluation (Wheatley and Chiu, 1977), satisfaction (Bitner, 1990) and store choice
(Darden et al., 1983). However, most studies deal with the role of store environment explore the
influence of its various dimensions independently such as store employees (Hu and Jasper,
3
2006), store convenience and quality (Vahie and Paswan, 2006), store trustworthiness (Heijden
and Verhagen, 2004), and in-store graphics with social meaning (Hu and Jasper, 2006).
Prior research links store environment to various aspects of consumer behavior. For
instance, music influences time and money spent positively (Milliman 1982, 1986) and lighting
influences the handling (touching and feeling products) and purchase of items positively (Areni
and Kim, 1994). Donovan et al. (1994) find that store atmosphere drives pleasure and spending
of time and money in a store. Spies et al. (1997) highlight the importance of a good store layout.
Baker et al. (2002) show that various aspects of store environment influence store patronage.
Store layout, ambience and sales personnel may also influence unplanned buying (Sherman et al.
1997; Geetha et al., 2010).
There is also growing evidence about the influence of certain facets of store environment
on variety seeking behavior. For example, assortment drives variety seeking positively (Morales
et al., 2005; Krishen et al., 2010). Maimaran and Wheeler (2008) find that “exposure to novel
visual stimulus arrays of geometric shapes affects consumers' real choices among products”. In
other words, the type of array of products in a store affects variety seeking. Levav and Zhu
(2009) find that spatially confined consumers make varied choices. However, despite such
evidence, most studies link only a few aspects of store environment to the variety seeking
behavior, instead of exploring the overall impact of store environment on variety seeking.
In line with Mattila and Wirtz (2001), this study defines store environment as a
combination of various constituent variables namely lighting, music, scent, sales personnel and
layout that is in gestalt/composite fashion. We treat variety seeking as “the tendency of an
individual to seek variety or change in choices over time, for the purchases made within the
product class” (Kahn, 1995). Sharma et al. (2010a) show that both impulse buying and variety
4
seeking are examples of hedonic and exploratory purchase behaviors with similar socio-
psychological origins, Geetha et al. (2010) suggest that store environment drives impulse buying.
Hence, we propose that store environment is likely to drive variety seeking behavior as well and
this study intends to test this thesis.
Research has also shown that consumer behavior is best explained by considering
personality and situational factors (Russel and Mehrabian 1976). Therefore, we consider some
personality variables as well. We would also consider not just one or two elements of stores that
affect variety seeking but store environment as a whole or in gestalt terms since shoppers look at
stores in this way (Ward et al., 1992, Mattila and Wirtz, 2001). Zimmer and Golden (1988) as
well as Keaveney and Hunt (1992) also refer to the gestalt (or holistic) nature of the store
environment construct.
In view of the above, it is important to study these dimensions collectively as consumers
do not perceive a store in piecemeal (Ward et al., 1992; Bitner, 1992) and it is the total
configuration of cues (gestalt of consumers’ perceptions of store) that influence consumer
responses (Mattila and Wirtz, 2001; Holahan, 1982). Consumers look to the total collection of
cues in the environment to decode meanings and to structure their behaviour accordingly
(Solomon, 1983). Therefore, this paper develops a comprehensive model that links store
environment as a whole (and not just one or two aspects of stores) with variety seeking.
From a managerial viewpoint, this research addresses an important question: does store
environment induce variety seeking? If the answer is yes, retailers then have one more additional
reason (apart from patronage, loyalty, store choice and so on) to invest in store environment. If
the answer is no, the retailer can spend this money on other marketing activities like promotions
and price cuts, rather than investing in the antecedents of store environment.
5
2. CONCEPTUAL FRAMEWORK AND HYPOTHESES DEVELOPMENT
This section presents hypotheses linking store environment, select personality variables
and variety seeking behavior. Specifically, the model studies the impact of both store-level
(situational) factors (store environment consisting of lighting, music, scent, layout, assortment
and employees) and two personality variables (deal proneness and optimum stimulation level) on
variety seeking though a mediator, positive affect.
2.1 Positive Affect and Variety Seeking Behavior
Positive affect refers to the pleasantness of the affective experience. Positive affect
reflects the extent to which a person feels enthusiastic, active, and alert. It makes the consumers
stay longer in the store and induces increased browsing (Beatty and Ferrell, 1998) that could lead
to variety seeking (Kahn and Isen, 1993). Hence:
H1: Positive affect has a positive impact on variety seeking behavior.
2.2 Store Environment
Store environment comprises ambient (e.g., lighting, scent, and music), design (e.g.,
layout, assortment) and social factors (e.g., presence and effectiveness of salespersons) (Baker et
al., 2002). Ambient factors in turn comprise light, scent and music. Design factors consist of
layout and assortment (Baker et al., 2002). Layout refers to the way in which products, shopping
carts, and aisles are arranged, the size and shape of items, and the spatial relationships among
them. Layout also includes space design and allocation, grouping and placements of the
merchandise. Product assortment is the total set of items a retailer offers, reflecting the breadth
and depth of product lines. Social factors refer to other shoppers and salespersons or the relevant
6
people in the environment (Baker et al., 2002). Other shoppers are not directly under the control
of the retailer and this study does not include them (all other store-level factors are). At best,
retailers can organize queuing procedures efficiently and schedule cashiers appropriately. For the
most part, they cannot control crowding in aisles.
2.2.1.Store Environment and Positive Affect
According to Yalch and Spangenberg (1990), shoppers respond psychologically and
behaviorally to music. These responses occur predominantly at a subconscious level. Music is an
important, frequent and common variable that influences mood (Bruner, 1990). Research has
shown that the presence of pleasant music produces positive affect (Garlin and Owen, 2006).
Well-designed lighting systems can enhance a store’s interior, guide the customer’s eyes to key
sales points, create an atmosphere of excitement and induce positive affect (Smith, 1989).
Lighting and music together evoke positive affect (Yoo et al., 1998). Positive experiences arise if
the store is easy for shoppers to find the product they are looking for, when the layout of the
store seems logical and when there are sufficient signs in the store (Bitner, 1992; Spies et al.,
1997). Layout makes the shopping enjoyable and produces positive affect. Design factors reduce
the perceived stress in shopping (Baker et al., 2002) and evoke positive affect (Yoo et al., 1998).
Consumers prefer a large assortment as it helps them tide over uncertainty about future
preferences (Simonson, 1990). Therefore, they evaluate larger assortments more positively
(Broniarczyk et al., 1998).
Store personnel contribute to entertaining store experiences especially when the staff has
a capacity to offer good service or to allow consumers to shop without being under constant
surveillance (Jones, 1999). Employee responses can significantly influence important consumer
7
responses (Bitner, 1990). For instance, if a store employee helps a shopper find a particular
product that (s)he is looking for, the latter in turn becomes happy.
Positive in-store experiences results when salespersons make an extra effort and stretch
beyond ‘normal’ service levels. Sales personnel’s assistance may enhance even the utilitarian
shopper’s enjoyment. Even in brief and mundane encounters the employee induces positive
affect (Mattila and Enz, 2002).
H2: Overall perception of store environment has a positive impact on positive affect.
2.2.2. Store Environment and Variety Seeking Behavior
Music is an important non-verbal communication that enhances store atmosphere
(Turley and Milliman, 2000). Good music stimulates additional sales (Milliman, 1982). This
additional sale could likely be impulse buying (Geetha et al., 2010) and also, buying more of the
same brand or increasing the variety of the purchases. Moreover, impulse buying is related
positively to variety seeking (Sharma et al., 2010a, 2010b). The pleasantness of the music could
work unconsciously as the consumers spend more time in the store, browsing more and
evaluating different alternatives. Additional browsing increases search and this in turn positively
relates to variety seeking (Steenkamp and Baumgartner, 1992). Browsing also increases impulse
buying, which in turn correlates positively with variety seeking (Sharma et al., 2010a, 2010b,
2011).
Well-designed lighting systems create an atmosphere of excitement, induce positive
mood, make key approach areas safe and visible and guide the customer's eyes to key sales
points (Smith, 1989), thereby providing the consumer an opportunity to view more choices.
Lighting affects the number of items a shopper handles and examines (Areni and Kim, 1994).
8
Greater the number of items held, greater is the likelihood of including different alternatives in
consideration sets. Larger consideration sets lead to variety seeking (Sivakumaran and Kannan,
2002). Good lighting leads to greater browsing and greater information search. Greater
information search leads to variety seeking (Steenkamp and Baumgartner, 1992).
Consumers spend more money and time in a store that has a pleasant fragrance and it
makes them more attentive towards the different brands in the store (Spangenberg et al., 1996).
This leads to greater appreciation of different attributes and distinctiveness between brands and
larger consideration sets, leading to variety seeking behavior (Sivakumaran and Kannan, 2002).
A good layout facilitates greater in-store exploration. This helps shoppers in viewing the
assortment within a product category and also the availability of different product categories. A
good layout will also give the impression of a greater amount of merchandise being present than
actually present (Morales et al., 2005). In other words, a good layout leads to greater perceived
variety, which is a key driver of variety seeking (Kahn and Wansink, 2004). Product assortment
is also a determinant of variety seeking (Simonson, 1999). Greater the number of flavors and
brands, greater will be the tendency for consumers to choose variety (Inman, 2001). There is
some recent work that seems to suggest that confining consumers spatially would drive variety
seeking (Levav and Zhu, 2009). However, we argue against this line of thought in this paper and
propose that a spacious well-designed layout contributes to increased variety seeking.
Timely assistance in finding a product or the alternative or sales person’s helpfulness in
making the consumer understand the features of different alternatives could lead to variety
seeking. Employees could stimulate the consumer in exploring the store, guiding him towards
various brands, alternatives and thereby induce variety seeking directly.
H3: Overall perception of store environment has a positive impact on variety seeking.
9
2.3.Optimal Stimulation Level (OSL)
Variety seeking research in marketing (Steenkamp and Baumgartner, 1992; Van Trijp et
al., 1996) draws heavily on the personality and psychology bodies of literature to explain
personality-related characteristics of variety seeking. Mostly, this line of research revolves
around the optimum stimulation level (OSL) paradigm (Deci and Ryan, 1985). According to this
view, each individual has his/her own level of stimulation. This stimulation is the
“complexity/arousal that associates with a stimulus”. Once the stimulation falls short of an
individual’s “optimum” level, s (he) seeks stimulation to restore that to the optimum level. Thus,
to attain a satisfactory level of stimulation, a person would engage is in “exploratory behavior”
of which variety seeking is a specific manifestation. Individuals with high optimum stimulation
levels (OSL) are also known to be chronically higher in their arousal level making them indulge
in sensation seeking activities, including variety seeking to achieve their optimum stimulation
level (Steenkamp and Baumgartner, 1992). Thus,
H4: Optimum stimulation level has a positive impact on variety seeking behavior.
2.4. Deal Proneness
Consumers who seek variety consider promotions a salient attribute in their patronage
choice and, as a result, do not intend to re-patronize frequently (Wakefield and Barnes, 1996).
Sales promotion can encourage behavioral responses such as brand switching. Deal proneness is
the consumer tendency to respond to sales promotions (Lichenstein et al., 1995). Deal prone
consumers are more likely to use the promotional offers, in-store ads and other signages that
provide information on the deals available and switch brands that are available on sale. Deal-
prone consumers modify their purchase behavior so as to benefit from the temporary incentives
of a promotion (Wakefield and Barnes, 1996).
10
Purchase probabilities increase with the increase in the promotional effort due to greater
preference for the promoted product (Trivedi, 1999). Variety seeking allows the consumers to
use the promotions strategically and to experiment with different brands over time. Deal prone
people use this for “smart buying" by utilizing good deals. Promotion is an important marketing
variable (Trivedi and Morgan, 2003) influencing variety seeking and deal prone consumers are
vulnerable to promotions. Hence, the following hypothesis:
H5: Deal proneness has a positive impact on variety seeking behavior
The above discussion leads us to propose a comprehensive model that Figure 1 summarizes.
< Insert Figure 1 about here >
3. METHOD
3.1. Data Collection: Survey Technique
A single stage mall intercept method was used to collect data. The data collection process
followed was broadly in line with previous studies (Geetha et al., 2010; Sharma et al., 2010a,
2010b). The survey was conducted in the city of Dubai on shoppers of five popular grocery
stores since variety seeking typically occurs in grocery shopping (e.g. van Trijp et al., 1996). We
chose Dubai since apart from being convenient, it is a city in Asia with facilities and
infrastructure on par with the West. It is also a place where the “East meets the West” (Hosea,
2007). Dubai is a “globalized city” (Mady et al., 2011) with considerable Western influence that
has attracted numerous international visitors (Henderson, 2006). It is a city that has one “of the
world’s most urban multi-cultural environments”. (Sankaran and Demangeot, 2011). A total of
350 shoppers were approached out of which 212 agreed to participate in the study. Shoppers
11
were told that this was part of an academic project on “shopper behavior”. Finally this was
pruned to 200 after removing incomplete responses, thus yielding a response rate of around 57%.
This sample size was adequate for the model (Hoelter, 1983; Anderson and Gerbing, 1984;
Iacobucci, 2010).
The study covered a wide demographic profile of grocery shoppers. 38% of the shoppers
were women and 62% were men and the average age of the shopper was 28.5. 43% of them
were single and 57% were married. 23% were higher secondary graduates, 64% were under
graduates and 13% were post graduates. 20% of the sample comprised students, 7% were
housewives, 6% were self-employed and 66 % were employed. Thus, we obtained considerable
diversity.
Shoppers were sampled during morning, afternoon and evening hours on weekdays and
weekends. The locations of the interviews, the times of the day and the days of the week were
rotated in accord with the recommendations of Bush and Hair (1985). In the sample, 38% were
female and 62% male. The mean age was 29. All the interviews were done by one interviewer
who was on holiday on Dubai at that time and who wanted to be involved in academic research.
He was trained in the all aspects of interviewing, in line with Salant and Dillman (1994).
3. 2.Measures
Scale items to measure the constructs are from past research studies. All the constructs
were measured using multi-item scales with the exception of variety seeking. All the scales
display acceptable reliabilities. All pertinent details are in Table 1 and Table 2. Please see Table
1 for all items and reliabilities and Table 2 for inter-correlations.
< Insert Tables 1 and 2 about here >
12
The interviewer intercepted potential respondents upon their exit from the store and asked
for their participation in the survey. When they agreed, the interviewer recorded all the purchases
made by each shopper. Next, for each purchase the shoppers were asked if they had switched
from their regular brand or flavor. The number of such switches was counted for each shopper to
arrive at the total number of variety seeking purchases. Operationalization of the dependent
variable is in line with the theoretical definition by the authors and extant research (Inman, 2001;
Kahn, 1995; Menon and Kahn, 1995). The average number of switches was 0.4 per respondent.
Please see table 3 for additional details.
< Insert Table 3 about here >
We used structural equation modeling to test the model. The authors followed a 2-step
approach of first “cleaning up” the measurement model before analyzing the structural one
(Anderson and Gerbing, 1988) with EQS 6.1. Assessments of the initial measurement model
after assessing the individual reliability of the constructs are as follows: χ2 (330) =551.89 (p =
0.0); IFI =0.94; CFI= 0.94; NNFl =0.91. Further, the indicators of residuals, RMSEA were 0.04
and RMSR 0.06 respectively.
Since the study measures dependent and independent variables from the same source in a
single survey Common Method Variance (CMV) is possible (Podsakoff et al., 2003). The model
tests for CMV by comparing the fit indices between the measurement model and one in which all
the items load on a latent CMV factor besides their theoretical constructs for all the sub-groups.
This method allows the partitioning of the variance of responses to a specific measure into three
components: trait, method, and random error. The model with the CMV factor shows a much
poorer fit (χ2 = 2416.24, df = 529, χ2/df = 4.56, RMSEA = .13, SRMR = .13, CFI = .24), with a
significant difference in χ2 value between this model and the measurement model (Δχ2 =
13
1864.34., Δdf = 141, p = 0.00). Hence, common method variance may not be a significant
problem in this study (Podsakoff et al., 2003).
3.3. Structural Model
We tested for differences in variety seeking across stores and found none. Hence, we
analyzed data for all stores combined. Analysis of the structural model followed the purification
of the measurement model. Chi-square value for the overall model fit is 732.63 for 496 degrees
of freedom (p< 0.001). The second order fit indices for the model are NNFI=0.92; CFI=0.91;
IFI=0.92; RMSR=0.08; RMSEA= 0.04. The fit is approaching “good” but is a little below par.
Fortunately, under such conditions (when there is a second order factor model and when there
are multi-item measures), prior research in psychology (Schmid and Leiman, 1957) and fairly
recent work in the methodological space (Wolff and Preising, 2005) give useful pointers on how
to improve the fit in a theoretically meaningful way. This line of research advocates the Schmid-
Leiman factor structure solution.
3.4. Schmid-Leiman Factor Structure
This is a higher-order factor analysis method that enables the researcher to see
hierarchical structures of the phenomena under study (Schmid and Leiman, 1957). In a second
order factor structure (i.e. when a factor has no indicator variables and the variable drives other
(first order) factors that have indicator variables), and also when the constructs have multi-item
measures, the Schmid-Leiman factor structure can be put to use. In a standard higher order factor
structure, the second order factor is considered an exogenous factor while the first order factors
are endogenous, whereas in the Schmid-Leiman factor structure, the indicator variable drives
both the first order factors and the erstwhile second order factor.
14
In the standard second order factor structure, for instance, factor “design” drives the
indicator variable, “Layout1”. In the new Schmid-Leiman factor structure, the same indicator
variable is driven by both store environment (the erstwhile second order factor) and the “design
factor”. The Schmid-Leiman factor structure is more reflective of reality as well, since when a
shopper thinks about “design”, apart from thinking of the store’s design, (s) he is likely to think
about the overall store as well. This conclusion is line with Ward et al. (1992) and Mattila and
Wirtz (2001). Please see figures 2 and 3 for a pictorial representation of the approach vis-à-vis a
standard second order factor model approach.
< Insert Figures 2 and 3 about here >
4. RESULTS
4.1.Summary of Structural Model Results
After the incorporation of Schmid Leiman Factor Structure, the fit improved and the fit
indices are reported in Table 4. The analysis of the model shows a significant Chi-square value
for the overall model fit (χ2 = 559.95 for 439 degrees of freedom with p < .001). The other
indices of model fit, viz., NNFI = .94, IFI= .93 and CFI = .94 indicate a good fit for the model
which is also supported by the RMSEA = .04 and RMSR= .06.
< Insert Figure 4 and Table 4 about here >
Overall the model shows a good fit for the model (Hu and Bentler, 1999). The model
also satisfies the “1 < χ2/df < 5” criterion of Wheaton et al. (1977). Other fit indices are also
higher than .90 (NNFI = .94, IFI = .93, CFI = 0.94) showing a good fit (Kline, 1998). The R2 for
the dependent variable, variety seeking was 20.9. See Table 4 for a comparison of the standard
second order factor indices and those using the Schmid Leiman approach. The R2 is the measure
15
of variance accounted for rather than a model fit (Medsker et al. 1994). Hence it is possible that a
well-fitting model can have a low R2 (Kelloway, pp 28). It is not uncommon where the fit indices
are higher but R2 is low ( Bagozzi and Yi,1988).
The study finds support for most of the hypotheses. Store environment drives variety
seeking (path coefficient = .32, t = 3.24, p < .001) thus supporting H3. OSL has a positive effect
on variety seeking (path coefficient = .27, t = 3.74, p < .001), lending support to H4. Results also
reveal that deal proneness drive variety seeking (path coefficient = .20, t = 2.64, p < .001),
providing support to H5. However, the paths between positive affect and variety seeking (path
coefficient = .07, t = .97, p = .25); and between store environment and positive affect (path
coefficient = -.16, t = -1.50 p = .18) are not significant. Thus, H1 and H2 are not supported.
We used another operationalization of variety seeking namely the proportion of goods
bought on variety. For instance, if a shopper A had bought 10 products and he switched brands
for just one, his VSI (variety seeking index) would be 0.1 while the VSI for a shopper B who
switched brands for 5 out of 10 products would be 0.5. We found near identical results and hence
do not discuss this further.
5. DISCUSSION
The study finds that store environment affects variety seeking behavior directly and also
finds that OSL and deal proneness drive variety seeking (Refer table 5 for a summary of results).
< Insert Table 5 about here >
H1 (positive affect drives variety seeking positively) and H2 (store environment drives
positive affect positively) do not find support. This could be due to the problem of disentangling
the pre-existing and the store induced affect in a shopper. In fact, other research using mall
16
studies also report problems in affect-related hypotheses (e.g., Beatty and Ferrell, 1998; Geetha
et al., 2010). Prior research shows that positive affect leads to variety seeking (Isen, 1984; Kahn
and Isen, 1993). However, most of these studies use experiments whereas in a survey this may
not hold good since other factors may come into play. More research is in a non-experimental
context could explain the somewhat unsatisfactory findings regarding affect.
The study makes significant theoretical and managerial contributions. From a theoretical
point of view, this results in the integration of the variety seeking body of research with that on
store environment. Prior research finds only one or two store level variables driving variety
seeking. For instance, Simonson and Winer (1992) show that display format drives variety
seeking. Broniarczyk et al. (1998) and Chernev (2003) demonstrate that assortment is a
determinant of variety seeking. Maimaran and Wheeler (2008) find that the type of array of
products in a store affects variety seeking. Similar to Chernev (2003), Krishen et al. (2010) also
find that perceived assortments in retail kiosks positively impact variety seeking. Thus, while
extant research considers just a few elements of stores affecting variety seeking, our study
demonstrates that store environment taken holistically (a gestalt of store level variables) is a
significant driver of variety seeking. Store environment includes not just assortment, but also
layout (design factors), scent, music and lighting (ambient factors); and presence and
effectiveness of salespersons (social factors). Thus, while being broadly consistent with prior
research, we still extend it.
This study also extends the work of Geetha et al. (2010) by showing that store
environment drives not just impulse buying but also variety seeking. This study also adds to the
work of Sharma et al. (2010a, 2010b, 2011). While they show that some personality level
variables like OSL and Consumer Impulsiveness have an effect on variety seeking, they do not
17
consider store-level factors like employees and music. We demonstrate in line with Russell and
Mehrabian (1976) that consumer behavior is best predicted when one considers both personality
and situational factors. In accordance with the above, in this study, select personality (deal
proneness, OSL) and situational (store environment) variables induce variety seeking. Thus, we
build a comprehensive model of variety seeking of that including both personality and situational
variables. Finally, the study adds to the list of determinants of variety seeking (by showing that
store environment is one) and supplement the list of outcomes of store environment (by showing
that variety seeking is an outcome of store environment). We chose Dubai as the city to collect
data from. Since there is greater tendency to choose variety in the West vis-à-vis the East
(Abdullah and Sivakumaran, 2005), ours is a conservative test and hence, our findings should be
generalizable to the West as well. However, this can empirically tested.
While broadly in consonance with existing research, our work is seemingly at variance
with recent findings in this area. Levav and Zhu (2009) find that spatially confined consumers
make varied choices (while we find that a “good” store environment of which a well-designed
layout is a component). This could be because Levav and Zhu in their studies, instructed subjects
to make choices (in other words, it was mandatory to make choices) while in our study,
respondents were merely asked after they made purchases (choice was optional). Levav and Zhu
also did not consider how subjects’ choices changed over time while we did. Finally, even in
their final study, they did not control for personality variables and other store-level variables like
music and lighting.
Managerially, several implications emerge from the study. Managers need to invest in
store environment, like training store personnel, improving the layout and assortment, making
the lighting attractive and by having appropriate scent and music. Several retailers have a
18
tendency to economize and indulge in cost cutting in these areas (ecplaza, 2009; Circuit City, a
retail outlet went bankrupt because of downsizing on employees). This is probably because of
short-term pressures and goals. We calculated direct and indirect effects to see which variables
exerted the most influence on variety seeking. We report them in Table 6.
< Insert Table 6 about here>
It is clear that the effect of store environment is the single largest one (.32). From the
above table, we infer that while the effect of personality variables (OSL and deal proneness)
cumulatively (0.2+.27 = 0.47) is higher than that of store environment, the latter has the single
largest effect (.32) and is quite high. Hence, retailers could ignore this at their own peril.
Moreover, store environment is under the direct control of the retailer while personality variables
are not. Economizing on store environment would be at the cost of variety seeking.
One drawback with using overall store environment as a predictor is that we cannot
identify which element of store environment is more important than the others in inducing
variety seeking. Therefore, we also re-ran the model removing store environment and including
direct paths from music, lighting, employee, assortment and layout, leaving the rest of the model
as it is. While the fit for this model was expectedly lower than our original structural model, it
gave us some insights into the relative importance of store environmental factors on impulse
buying.
Specifically, we found that music, light, scent, employees and layout were relatively less
important compared to assortment. Thus, retail managers may focus on having a wider, deeper
assortment while continuing to improve the other elements of store environment like music and
lighting. Since the Schmid Leiman Factor structure gave a good fit, one cannot draw definitive
19
conclusions from the first order model results. Still, the first order factor results suggest useful
pointers to managers.
Variety seeking typically increases the size of shopping basket (Simonson, 1990) and
hence, retailers by investing in store environment can hope to get greater sales. Furthermore,
when variety seeking occurs, non-dominant brands gain share at the expense of dominant ones
(Feinberg et al., 1992; Sivakumaran and Shankar, 2010). In the case of retailers, non-dominant
brands would typically be the store brands (Ailawadi and Harlam, 2004). Hence, retailers could
increase the share of non-dominant store brands by investing in store environment. This is an
attractive proposition since store brands are usually more profitable for retailer’s vis-à-vis
national brands (Ailawadi and Harlam, 2004). Finally, consumers indulge in variety seeking to
show themselves as interesting (Ratner and Kahn, 2002). Investing in store environment would
result in shoppers seeking more variety. They would then be seen as more interesting as a result
(Ratner and Kahn, 2002). Being seen as an interesting person would then enhance a shopper’s
self-esteem.
From a methodological viewpoint, the study incorporates the Schmid-Leiman factor
structure in the model following the suggestion of Geetha et al. (2010) in doing so model fit
improves and is more reflective of reality. Other researchers in marketing and related fields
could use the Schmid Leiman factor structure too if conditions permit (presence of second order
factor model with multi-item measures). We offer a useful pointer to other researchers. In a
nutshell, store environment, along with deal proneness and OSL drives variety seeking behavior.
6. LIMITATIONS AND FUTURE RESEARCH
This study makes some valuable contributions but it also suffers from some limitations.
First, it is not able to demonstrate the effect of in-store browsing on variety seeking behavior as
20
repeated attempts to measure this did not yield results because of poor reliabilities. One of the
reasons for this may be that most scales in marketing were developed in the West and they do not
work reliably in non-Western markets sometimes, especially in retail settings (e.g., Kacen and
Lee 2002; Sharma et al., 2011). Therefore, future research should try to develop and test scales
that show cross-cultural conceptual equivalence and measurement invariance.
Second, this research focuses on store environment and positive affect along with two
individual characteristics (i.e., deal proneness and optimum stimulation level) as the independent
variables. However, many other variables may impact the variety seeking behavior such as
specific shopping trip enjoyment and promotional offers, which future research may incorporate
and test their impact. Similarly, there is mixed evidence about the influence of affect in store
settings (e.g., Beatty and Ferrell, 1998), which further research may try to resolve.
Third, future research can consider the interaction effect between personality and store
environment factors since the study considers store environment as a higher order factor. Future
research may break this into different components and test the individual importance of each
component like music/lighting with a larger sample and see if music works better for some
shoppers vis-à-vis others. Fourth, we conducted the survey in stores that are very similar to each
other. Hence, it is not possible to see whether music works better in some stores vis-à-vis others.
Future research may cover a more diverse range of stores to explore between-stores differences.
Finally, future research may also explore if store environment has a differential effect on variety
seeking in different product categories. For instance, does a good store environment cause
variety seeking even in categories that are not conducive to variety seeking?
21
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Fig. 1.Proposed model of the impact of store environment on variety seeking behavior.
Optimum Stimulation
Level
Design Factors
Store Environment
Positive affect
Variety Seeking Behavior
H2 H1
H3
H4
H5
Ambient Factors
Deal Proneness
Social Factors
33
Fig. 2.Typical Schmid-Leiman factor structure.
Music2
Light1
Light2
Light3
Employee1
Employee2
Employee3
Lay Out1
Lay Out2
Music1
Store Environment
Music
Employee
Layout
Light
34
Fig. 3.Typical second order factor structure.
Store Environment
Ambient factors
Design Factors
Social Factors
Music1
Music2
Light1
Light2
Lay Out2
Lay Out1
Light3
Employee1
Employee2
Employee3
35
Fig. 4. Structural model of the impact of store environment on variety seeking behavior.
Light
Employee
Optimum Stimulation
Level
Layout
Deal Proneness
Store Environment
Music2
Light1
Light2
Light3
Employee1
Employee2
Employee3
Layout1
Layout2
Music1 Music Positive
affect
Variety Seeking Behavior
-.16 N/S
.07 N/S
Scent Scent1
Scent2
Scent 3
Assortment
Assort1
Assort2
Assort3
.32
.27
. 20
36
Table 1 Scale summary
Scale Mean SD Music (Morrin and Chebat 2005) The store had a pleasant music The store had a terrible music*.
2.0 2.6
1.0 1.0
Scent (Morrin and Chebat 2005) The store had a pleasant odor /scent. The store had an appropriate odor /scent The store had a terrible odor /scent.*
3.5 3.6 3.2
.83 .81 .77
Light (Smith 1989, Areni and Kim 1994, Summers and Hebert 2001) The store is well- lit. The store is correctly-lit (Neither too bright nor dull). Lighting in the store is pleasant.
3.8 4.0 3.9
.48 .51 .48
Assortment (Broniarczyk, Hoyer and McAlister 1998) The store has a wide variety of products. The store has many brands in most of the product categories. The store has different price ranges in different products.
3.5 3.1 3.0
.74
.84
.79
Layout (Dickson and Albaum 1977) It was easy to move about in the store. It was easy to locate products/ merchandise in the store
3.6 3.7
.87 .63
Employee (Dickson and Albaum 1977) The store had knowledgeable employees. The store had friendly employees. The store had helpful employees
3.2 3.2 3.3
.80 .76 .75
Positive Affect (Watson et al. 1988) I felt excited on this shopping trip I felt enthusiastic while shopping today I felt happy during this shopping trip
3.1 3.3 3.6
.75
.76
.67
Optimum Stimulation Level (Steenkamp and Baumgartner 1992) I like to experience novelty and change in daily routine. I would like a job that offers change, variety and travel. I am continually seeking new ideas and experiences. I like continually changing activities. I like to find some new and unfamiliar experiences.
2.9 3.5 3.3 3.2 3.0
.96
.73
.88
.85
.87
Deal Proneness (Lichenstein, Netemeyer and Burton 1995) Buying products in price-off deals makes me feel good. When I take advantage of “buy-one-get-one- free” offer, I feel good. I will sometimes switch brands if I can get something for free when I am purchasing a different brand. I like to take advantage of special deals I notice in the store.
3.3 3.4 2.8
3.2
.73 .74 .91
.79
* Indicates reverse scored items.
Table 2 Correlation matrix* Music Scent Light Assortment Layout Employee Positive
Affect Optimum
stimulation level
Deal proneness
Music .65 Scent .15 .76 Light .12 .14 .81 Assortment .05 -.01 .01 .70 Layout .11 .03 .20 .16 .63 Employee .16 -.04 .09 .02 .05 .87 Positive Affect -.03 .01 -.01 -.02 .03 .04 .80 Optimum Stimulation Level
.13 .11 .15 .02 .19 -.11 .15 .60
Deal proneness .11 .05 .07 .12 .15 .05 -.06 -.01 .71 Average Variance Extracted
.68 .65 .63 .64 .62 .76 .66 .54 .61
* Figures on the diagonal show the construct reliabilities of the respective scales.
1
Table 3 Means of variety seeking purchases Minimum Maximum Mean Standard
DeviationVariety Seeking
Purchases 0 3 0.4 0.57
Table 4 Comparison of second order and Schmid Leiman fit indices Indices Second
Order Schmid-Leiman
NNFI 0.92 0.94 IFI 0.92 0.93 CFI 0.91 0.94 RMSEA 0.04 0.04 RMSR 0.08 0.06
1
Table 5 Structural model results of variety seeking behavior
H# Hypotheses Predicted Direction
Observed Direction
Path Coefficient// p value
H1 Positive Affect To Variety Seeking Behavior
+ + .07, ns
H2 Store Environment To Positive Affect
+ - -.16, ns
H3 Store Environment To Variety Seeking Behavior.
+ + .32*
H4 Optimum Stimulation Level To Variety Seeking Behavior. + + .27*
H5 Deal Proneness To Variety Seeking Behavior.
+ + .20*
* Significant at p < .001 ns – not significant
2
Table 6 Direct, indirect and total effects on variety seeking behavior
Predictor variables
Direct Effect
Indirect Effect
Total Effect
Optimum Stimulation Level
.27 .27
Deal Proneness .20 .20 Positive Affect .07 .07 Store Environment
.32 -0.0119 .30
3
Authors Bios
Dr. Geetha Mohan is an Assistant Professor at the SSN College of Engineering, Chennai, India.
She earned her PhD in Marketing at the Indian Institute of Technology, Madras. Her research
interests include impulse buying and variety seeking behaviors. She has published her research in
the European Journal of Marketing, Journal of Indian Business Research among others
Prof. Bharadhwaj Sivakumaran is Professor of Marketing at the Great Lakes Institute of
Management, Chennai, India. He earned his PhD in Marketing at the University of Maryland,
USA. His research interests include variety seeking and impulse buying behavior, consideration
sets, order of entry, and cross-cultural differences in consumer behavior and consumer
promotions. He has published his research in the Journal of Business Research, Journal of
Marketing Management, and Journal of International Consumer Marketing among others.
Dr. Piyush Sharma is an Associate Professor in the Department of Management and Marketing at
The Hong Kong Polytechnic University, Hong Kong ([email protected]). He earned his
PhD in Marketing at Nanyang Technological University, Singapore. His research interests
include self-regulation and self-regulatory failure, cross-cultural consumer behavior, and services
and international marketing. He has published his research in the Journal of the Academy of
Marketing Science, Journal of International Business Studies, Journal of Service Research,
Journal of Business Research, Journal of Services Marketing, Journal of Marketing Management,
Journal of International Consumer Marketing, and Journal of Euromarketing among others.