In a study on how different teaching styles affect performance in the first grade while trying to
control for a child's upbringing, Marcus forms two groups of participants using identical twins,
with one child from each pair randomly assigned to
one of two different teaching styles. What
approach to group assignment is Marcus using?
A) matched pairs B) repeated measures
C) natural pairs D) random assignment
C
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Your text describes a study in which photos of older women and men were evaluated in terms of positive or negative stereotypes. The results indicated that
a. older participants chose more positive stereotypes for both older men and older women than younger participants did. b. the participants chose fewer positive stereotypes for the older women than for older men. c. the participants chose negative stereotypes for women in their 60s, but positive stereotypes for women in their 70s. d. the participants, surprisingly, chose more positive stereotypes for older women than for older men.
The F value for Interaction term was observed in a two-factor ANOVA; F(1,30) for 4.00. The Fcrit (1,30) = 4.16. Given the results, you would ______ for an interaction term.
A. reject null hypothesis B. reject alternative hypothesis C. accept alternative hypothesis D. fail to reject null hypothesis
History effects can be reduced by _____
a. increasing the time between pretest and posttest b. decreasing the time between pretest and posttest c. giving a posttest that is different from the pretest d. giving the posttest under different conditions than those of the pretest
What is the term for the sorting out, interpretation, analysis, and integration of stimuli involving the sense organs and brain?
a) perception b) visualization c) sensation d) distinction