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GENERALIZING RESULTS
© 2009 The McGraw-Hill Companies, Inc.
Discuss the issues created by generalizing research results to other populations, including potential problems using college students as research participants
Discuss issues to consider regarding generalization of research results to other cultures and ethnic groups
© 2009 The McGraw-Hill Companies, Inc.
Describe the potential problem of generalizing to other experimenters, and suggest possible solutions
Discuss the importance of replications, distinguishing between exact replications and conceptual replications
Distinguish between narrative literature reviews and meta-analysis
© 2009 The McGraw-Hill Companies, Inc.
Participants typically not selected from the general population College Students Volunteers Gender Considerations Locale
Generalization as a Statistical Interaction In Defense of College Students and Rats
© 2009 The McGraw-Hill Companies, Inc.
Until recently experiments conducted with college students in the U.S. were primarily white, which reflected college student population at the time
Today most samples of college students are ethnically diverse, matching the more modern diverse population in college
© 2009 The McGraw-Hill Companies, Inc.
Important to be aware of the ways in which the operational definitions of the constructs that we study are grounded in a particular cultural meaning
© 2009 The McGraw-Hill Companies, Inc.
The experimenter’s influence on subjects needs to be constant throughout the experiment Personality Gender Experience
A solution is to use two or more experimenters
© 2009 The McGraw-Hill Companies, Inc.
Should a Pretest Be Given? Helps assess mortality effects There may be an interaction between the IV and
the pretest variable
© 2009 The McGraw-Hill Companies, Inc.
Exact Replications An attempt to replicate precisely the procedures of
a study Ascertain whether the same results are obtained
with replication Conceptual Replications
The use of different procedures to replicate a research finding
The IV from previous study is manipulated in different ways
© 2009 The McGraw-Hill Companies, Inc.
Literature Review Provides Information that: Summarizes what has been found Tells the reader:
What findings are strongly supported What findings are weakly supported
Exposes inconsistent findings and areas lacking proper research
Discusses future directions for research
© 2009 The McGraw-Hill Companies, Inc.
Meta-analysis: method for determining the reliability of a finding by examining the results from many different studies
Researcher combines actual results
© 2009 The McGraw-Hill Companies, Inc.
Goal of psychology is to promote human welfare
Impact of psychological research Health Law and Criminal Justice Education Work Environments
© 2009 The McGraw-Hill Companies, Inc.