In a study of the effects of ice cream on mood, the mood after ice cream exposure can be described as __________.
A. the dependent variable
B. the independent variable
C. a correlational variable
D. a confounding variable
Answer: A
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According to Freud, which of the following is entirely unconscious?
a. the self b. the id c. the superego d. the ego
Participants in an experiment are asked to look at pictures of different infants and rate the attractiveness of each infant on a 10-point scale. The participants are tested in groups of three and indicate their ratings aloud. For almost all of the infants, the participants tend to give ratings similar to other group members. We can be most certain that their ratings represent private conformity
rather than public conformity if a. they exhibit much less conformity in the presence of the experimenter. b. they give the same ratings alone as they do in the group. c. their ratings result from their desire to fit in with the rest of the group members. d. they are not especially motivated to be accurate in their judgments.
What is one difference between a correlation coefficient and an ANOVA?
A. Correlation coefficients find the strength of a relationship between variables. B. ANOVAs have a much more limited range of uses. C. Scatterplots are more useful at illustrating the findings of an ANOVA. D. Correlation coefficients are less helpful in discovering patterns in the data.
Between-class ability grouping, or tracking, is particularly common in
A) high school. B) junior high school. C) elementary school. D) middle school.