The practice of giving students course credit for participation in psychological research is considered ethically acceptable when
a. the students sign a statement of informed consent.
b. no deception is used in the research.
c. the research involves minimal risk of harm to the participants.
d. the students are free to refuse to participate or to withdraw at any time without any negative consequences.
Imagine I conducted the following experiment: I used gender as a nonmanipulated independent variable and measured performance in my class. I measured performance by ranking everyone in the class, giving the person with the highest grade a 1, the person with the 2nd highest grade a 2, and so forth. Which statistic would I use to determine any differences in performance between these two groups?
What will be an ideal response?
Researchers typically try to ____.
a. increase the differences between treatments and decrease the variance within treatments
b. decrease the differences between treatments and increase the variance within treatments
c. increase the differences between treatments and increase the variance within treatments
d. decrease the differences between treatments and decrease the variance within treatments
The consistency of results across items within a test is referred to as ____ reliability.
a. inter-rater
b. test-retest
c. parallel-forms
d. internal consistency
When is it acceptable for a researcher to dispense with obtaining the informed consent of research participants?
a. Whenever there is no deception involved in the research
b. Whenever the risk of harm to the participants is minimal, they participate voluntarily, and their confidentiality is ensured
c. Whenever the participants are being paid for their participation
d. Whenever the research has been approved by an IRB
What are the assumptions of the 2 test?
What will be an ideal response?
In a between-subjects design, large individual differences can produce ____.
a. large between-treatment differences, making it easier to see real treatment effects
b. small within-treatment variance, making it easier to see real treatment effects
c. large within-treatment variance, making it difficult to see real treatment effects
d. small between-treatment difference, making it difficult to see real treatment effects
The consistency of the results of two tests constructed in the same way from the same content domain is referred to as ____ reliability.
a. inter-rater
b. test-retest
c. parallel-forms
d. internal consistency
Which of the following is not true of an Institutional Review Board (IRB)?
a. An IRB reviews research with human participants for its ethical acceptability.
b. An IRB must include a member who is able to assess the legality of the research reviewed.
c. The members of an IRB must all be trained in scientific research.
d. All Federally funded research with human participants must be reviewed by an IRB.
The nonparametric equivalent to the one-way repeated measures ANOVA is the _____ test.
a. Chi-square
b. t
c. Friedman test
d. Kruskal-Wallis
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