65
3.1 Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1 st Edition © Pearson Education Limited 2009 Group Discussion •Develop a consumer buying process a family would use to to purchase a car. •What differing influences might, mum, dad or the 2 children separately have ?

Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

Embed Size (px)

Citation preview

Page 1: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.1

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Group Discussion

•Develop a consumer buying process a family would use to to purchase a car. •What differing influences might, mum, dad or the 2 children separately have ?

Page 2: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.2

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

This Week

Review

• Competitor analysis Kotler Ch 9

• Distribution Structure and Analysis Ch 17

• Market Analysis Ch 8

• Use the VLE

Page 3: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.3

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Dealing with competition

Lets Remember !

Sustainable Competitive Advantage should be the major focus of the strategic planning process

Page 4: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.4

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Lecture questions

1. How do marketers identify primary competitors?

2. How should we analyse competitors’ strategies, objectives, strengths and weaknesses?

3. How can market leaders expand the total market and defend market share?

4. How should market challengers attack market leaders?

5. How can market followers or nichers compete effectively?

Page 5: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.5

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Behind the five forces

‘Competition is often looked at too narrowly by managers.’

Michael E. Portervideo clip

Article referred to is in Harvard Business Review January 2008

Page 6: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.6

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Figure 9.1 Five forces determining segment structural attractivenessSource: From M. E. Porter (1985) Competitive Advantage. Creating and Sustaining Superior Performance, New York: Free Press. Copyright © 1985 by Michael E. Porter. Reproduced with permission from The Free Press, a division of Simon & Schuster Adult Publishing Group

Page 7: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.7

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Industry concept of competition

• Number of sellers and degree of differentiation

• Entry, mobility and exit barriers

• Cost structure

• Degree of vertical integration

• Degree of globalisation

Page 8: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.8

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Figure 9.4 A competitor’s expansion plans

Page 9: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.9

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Steps in benchmarking• Determine which functions or processes to

benchmark• Identify the key performance variables to

measure • Identify the best-in-class companies• Measure the performance of best-in-class

companies• Measure the company’s performance• Specify programs and actions to close the gap• Implement and monitor results

Page 10: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.10

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Selecting competitors

‘Strong’ vs. ‘Weak’

‘Close’ vs. ‘Distant’

‘Good’ vs. ‘Bad’

Page 11: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.11

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Figure 9.5 Hypothetical market structure

Page 12: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.12

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Expanding the total market

New customers

More usage

Page 13: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.13

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Factors relevant to pursuing increased market share

• Possibility of provoking authoritative action

• Economic cost

• Pursuing the wrong marketing-mix strategy

• The effect of increased market share on actual and perceived quality

Page 14: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.14

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Specific attack strategies

• Price discounts• Lower-priced goods• Value-priced goods• Prestige goods• Product proliferation• Product innovation

• Improved services• Distribution

innovation• Manufacturing-cost

reduction• Intensive advertising

promotion

Page 15: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.15

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Market follower strategies

Counterfeiter

Cloner

Imitator

Adapter

Page 16: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.16

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Designing and managingsupply networks

Page 17: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.17

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Questions

1. What are supply networks and channels of distribution?

2. How should marketers design supply networks and channels of distribution?

3. How can marketers select channel members?

4. What are the challenges of managing distribution channels?

5. What are the impacts of digital/information and communication technologies?

Page 18: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.18

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

GOODYEAR Discussion

Page 19: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.19

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Who are the top supply chain companies worldwide?

• Nokia• Apple• Procter & Gamble• IBM• Toyota Motor• Wal-Mart• Anheuser-Busch• Tesco

• Best Buy• Samsung

Electronics• Cisco Systems• Motorola• The Coca-Cola

Company• Johnson & Johnson

Page 20: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.20

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Characteristics of high performing supply chain companies

• ‘Outside-in’ marketing focus

• Supply chains extend out to customers and suppliers

• Innovation is embedded

• Right attitude towards management and supply chain

Page 21: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.21

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

What is a supply chain?

A supply chain is a set of three or more entities (organisations or individuals) directly

involved in the upstream or downstream flows of product, service, finances and/or information

from a source to a customer.

Page 22: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.22

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Global supply networksWhat marketing tactics has the concern for long supply seeded ?

Figure 17.2 Global supply networks: coordinating road, rail, shipping, airlines and the Internet

Page 23: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.23

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Supply Chain

This video clip explores the role of supply chains within a variety of leading businesses – Dell, Zara, Victoria Secrets and Dyson with a core focus on the customer within the supply chain rather than on efficiency only.

www.youtube.com/watch?v=2XUgce8lZB4&feature=PlayList&p=AB139030DEDC47A5&playnext=1&index=43

Page 24: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.24

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

What are distribution channels?

Distribution channels are sets of intermediaries that are usually independent

organisations involved in the process of making a product or service available for use

or consumption.

Page 25: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.25

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Intermediaries in distribution channels

Non-Title Holders

• Brokers

• Manufacturers’ reps

• Agents

Title Holders

• Wholesalers

• Retailers

• Distributors

• Transport companies

Page 26: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.26

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

What is supply chain management?

Supply chain management (SCM) encompasses the planning and

management of all activities in buying, making, providing and distributing. It also includes coordination and collaboration

with channel partners.

Page 27: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.27

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Components of an SCM philosophy

A systems approach

A strategic orientation

A customer focus

Page 28: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.28

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

What is a network?

A network consists of nodes and relationships with which interaction takes place.

It can accommodate movements in any direction and change shapes.

Its nodes include people, organisations, machines, events and activities.

Page 29: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.29

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

3 As of network effectiveness

Agility

Alignment

Adaptability

Page 30: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.30

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Key processes of supply chain management

• Manufacturing or service process flow management

• Intermediary relationship management

• Product development/ commercialisation

• Returns

• Customer relationship management

• Customer service management

• Demand management

• Order fulfillment

Page 31: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.31

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Consumer marketing channels

Figure 17.11 Consumer and industrial marketing channels

Page 32: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.32

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

What is multichannel marketing?

• Multichannel marketing occurs when a company uses two or more marketing channels to reach one or more customer segments.

• A multiple channels strategy provides multiple channels for the consumer while a multichannel strategy has cross-channel benefits.

Page 33: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.33

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Types of buyers

Habitual shoppers

High-value deal seekers

Variety-loving shoppers

High-involvement shoppers

Page 34: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.34

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Types of shoppers

Service/quality customers

Price/value customers

Affinity customers

Page 35: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.35

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Channel member functions• Gather information• Develop and disseminate persuasive

communications• Reach agreements on price and terms• Acquire funds to finance inventories• Assume risks• Provide for storage• Provide for buyers’ payment of their bills• Oversee actual transfer of ownership

Page 36: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.36

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Designing a marketing channel system

Analyse customer needs

Identify and evaluate major channel alternatives

Select channel members and evaluate alternatives

Establish channel objectives

Decide on number of intermediaries

Page 37: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.37

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Customer needs

Quantity of purchase

Waiting/delivery time

Convenience

Product variety

Service backup

Page 38: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.38

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Identifying channel alternativesWho owns the customer interface? It is rarely the manufacturer.

Types of intermediaries

Number of intermediaries

Terms and responsibilities

Page 39: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.39

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Number of intermediariesHow do you ensure your branding and positioning values are maintained ?

Exclusive

Selective

Intensive

Page 40: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.40

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Terms and responsibilities of channel members

• Price policy

• Condition of sale

• Distributors’ territorial rights

• Mutual services and responsibilities

Page 41: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.41

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Figure 17.15 The value adds versus the costs of different channels

Page 42: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.42

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Channel-management decisions

Training channel members

Motivating channel members

Evaluating channel members

Modifying channel members

Page 43: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.43

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Figure 17.16 Self-service channelsSource: Adapted from Microsoft Corporation (2007) Microsoft® Customer Care Framework 2008: Redefining Customer Experience (retrieved from http://download.microsoft.com/download/b/d/2/bd2a14b8-b64b-4191-a2d5- 11d0dc9f0ce/ CCF_08_Brochure_web.pdf). Copyright © Microsoft Corporation. Reproduced with permission

Page 44: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.44

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Analysing business markets

Page 45: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.45

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Questions

1. What is the business market, and how does it differ from the consumer market?

2. What buying situations do organisational buyers face?

3. Who participates in the business-to-business buying process?

4. How do business buyers make their decisions?

Page 46: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.46

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

What is organisational buying?

Organisational buying refers to thedecision-making process by which formal

organisations establish the need for purchased products and services, and identify, evaluate and choose among

alternative brands and suppliers.

Page 47: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.47

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Top business marketing challenges

• Expand understanding of customer needs

• Compete globally as China and India reshape markets

• Master analytical tools and improve quantitative skills

• Reinstate innovation as an engine of growth

• Create new organisational models and linkages

Page 48: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.48

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Characteristics of business markets

• Fewer, larger buyers• Close supplier-

customer relationships

• Professional purchasing

• Many buying influences

• Multiple sales calls• Derived demand• Inelastic demand• Fluctuating demand• Geographically

concentrated buyers• Direct purchasing

Page 49: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.49

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Suppliers like Goodyear depend on a market of fewer buyers

Goodyear Tyre Company exemplifies many suppliers that depend on a market of fewer, but larger, business buyers Source : Worth Canoy/Icon/Corbis

Page 50: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.50

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Top business marketing challenges

Table 8.1 The top business marketing challenges for 2005–2007Source: From Institute for the Study of Business Markets (2006) Know thy customer. Marketplace: The ISBM Review, Winter, Exhibit 1, p. 2 (www.smeal.psu.edu/isbm/documents/mktpw06.pdf). Reproduced with permission from ISBM, Smeal College, Pennsylvania State University

Page 51: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.51

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Guidelines for selling to small businesses

• Professional purchasing

• Multiple buying influences

• Multiple sales calls

• Derived demand

• Inelastic demand

• Fluctuating demand

• Direct purchasing

Page 52: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.52

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Buying situations

Straight rebuy

Modified rebuy

New task

Page 53: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.53

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Systems buying and selling

Turnkey solution desired;

Bids solicited

Primecontractors

Second-tiercontractors

System subcomponents

assembled

Page 54: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.54

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

The buying center Discussion

Initiators

Users

Influencers

Deciders

Approvers

Buyers

Gatekeepers

Page 55: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.55

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Of concern to business marketers

• Who are the major decision participants?

• What decisions do they influence?

• What is their level of influence?

• What evaluation criteria do they use?

Page 56: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.56

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Seven keys to customer reference stories

1. State customer needs in compelling terms2. Emphasize barriers in satisfying

customer needs3. Describe company’s solution in terms of value4. List qualified results5. Differentiate your offering from those of

competitors6. Provide a brief comprehensive summary7. Include numerous customer quotes

Page 57: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.57

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Stages in the buying process: buyphases

• Problem recognition

• General need description

• Product specification

• Supplier search

• Proposal solicitation

• Supplier selection

• Order-routine specification

• Performance review

Page 58: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.58

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Forms of electronic marketplaces

• Catalog sites

• Vertical markets

• Pure play auction sites

• Spot markets

• Private exchanges

• Barter markets

• Buying alliances

Page 59: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.59

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Methods of e-Procurement

• Websites organised using vertical hubs

• Websites organised using functional hubs

• Direct extranet links to major suppliers

• Buying alliances

• Company buying sites

Page 60: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.60

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Handling price-oriented customers

Limit quantity purchased

Allow no refunds

Make no adjustments

Provide no services

Page 61: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.61

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Methods for researching customer value

• Internal engineering assessment

• Field value-in-use assessment

• Focus-group value assessment

• Direct survey questions

• Conjoint analysis• Benchmarks• Compositional

approach• Importance ratings

Page 62: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.62

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Factors affecting buyer-supplier relationships

Availability of alternatives

Supply marketdynamism

Complexity ofsupply

Importance ofsupply

Page 63: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.63

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Categories of buyer-seller relationships

• Basic buying and selling

• Bare bones• Contractual

transaction• Customer supply

• Cooperative systems

• Collaborative• Mutually adaptive• Customer is king

Page 64: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.64

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Week 3

• Dealing with the Competition • Designing and Managing Supply Networks • Market Analysis

Page 65: Lecture 3 Slides SMM Feb 10th 2012 Module BD415029s

3.65

Kotler, Keller, Brady, Goodman and Hansen, Marketing Management, 1st Edition © Pearson Education Limited 2009

Week 4

• Research • Mission and Values • Balanced Scorecards• Financial and Non Financial goals.