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Research Design Explained

Mark L. Mitchell, Janina M. Jolley

Chapter 4

Reading, Reviewing, and Replicating Research - all with Video Answers

Educators


Chapter Questions

00:57

Problem 1

Find an article to critique. If you are having trouble finding an article, consult Web Appendix B (Searching the Literature) or critique the article in Appendix B. To critique the article, question its internal, external, and construct validity. If you want more specific help about what questions to ask of a study, consult Appendix C.

Samia Islam
Samia Islam
Numerade Educator
00:46

Problem 2

What are the main strengths and weaknesses of the study you critiqued?

BR
Becky Rahm
Numerade Educator
01:48

Problem 3

Design a direct replication of the study you critiqued. Do you think your replication would yield the same results as the original? Why or why not?

Shiksha Dutta
Shiksha Dutta
Numerade Educator
00:14

Problem 4

Design a systematic replication based on the study you critiqued. Describe your study. Why is your systematic replication an improvement over the original study?

BR
Becky Rahm
Numerade Educator
00:14

Problem 5

Design a conceptual replication based on the study you critiqued. Describe your
study. Why is your conceptual replication an improvement over the original study?

BR
Becky Rahm
Numerade Educator
02:08

Problem 6

Evaluate the conclusions of these studies. Then, recommend changes to the study.
a. A study asked teens whether they had taken a virginity pledge and found that those who claimed to have taken a pledge were more likely to abstain from sex than those who claimed not to have taken that pledge. The researchers
conclude that abstinence pledges cause students to abstain from sex.
b. A study finds that teens, after completing a three-year, voluntary, after-school abstinence education program, are better informed about the diseases that may result from sex. The researchers conclude that abstinence pledges cause students to abstain from sex.

Jake Zanazzi
Jake Zanazzi
Numerade Educator