PSY 550 Midterm Exam Latest-GCU
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PSY 550 Midterm Exam Latest-GCU
PSY550
PSY 550 Midterm Exam Latest-GCU
Question 1
For each of the research topics listed below, indicate the type
of nonexperimental approach that would be most useful and explain why.
1. Pushing ahead in line
2. Daydreaming
3. Locating the most popular painting in an art gallery
4. Studiousness in college students
5. Determining whether a particular patient has improved with
psychotherapy.
Question 2
List the main sections (and subsections) of a research report.
Question 3
Compare and contrast the following terms: (a) test-retest
reliability with inter-rater reliability, (b) content validity with both
predictive validity and construct validity, and (c) internal validity with
external validity. ·
Question 4
Define and describe the six steps of the scientific method. Give
an example of each step.
Question 5
When designing survey questions, how would you control for each
of the following response styles:
(a) willingness to answer,
(b) position preference, and
(c) yea- or nay-saying?
Question 6
Use Stevens’ model of measurement scales to answer these
questions:
1. What type of scale is used when the variable is social class?
Explain.
2. What type of scale is used when the variable studied is a Top
40 list of popular songs? Explain.
3. What type of scale is used when the variable studied is
intelligence scores (for example, on the Stanford-Binet-R)? Explain.
4. What type of scale is used when the variables studied are low
and normal birth weights of newborns? Explain.
Question 7
Contrast experimental with quasi-experimental methods; generally
speaking, which methods are most useful?
Question 8
When is it appropriate for a researcher to use deception in a
study? When is it not appropriate? How can the negative effects of deception be
minimized?
Question 9
Researcher Sandy Beach found a correlation coefficient of +2.3
between variables X and Y. She is thrilled because that correlation is “like,
way high.” She also feels that this answer “proves that X is like, causing Y.”
What are three problems with Sandy’s conclusions?
Question 10
Contrast probability and nonprobability sampling methods;
generally speaking, which methods are most useful?
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