Dr. Caster decides to perform an experiment investigating the effects of caffeine and sugar on motor skill performance. He randomly assigns his subjects to one of four groups: high caffeine/high sugar, high caffeine/no sugar, no caffeine/high sugar, no caffeine/no sugar. People in each group are given a soft drink containing the appropriate levels of sugar and caffeine, and then tested on a
mirror tracing task. Dr. Caster finds that the people in two of the groups (the high caffeine/high sugar and the no caffeine/no sugar) perform at about the same high level, while the other two groups (the no caffeine/high sugar and high caffeine/no sugar) perform at about the same poor level. Dr. Caster's results show
a. a main effect of caffeine
b. a main effect of sugar
c. a synergistic interaction
d. an antagonistic interaction
d
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Classification refers to which of the following?
a. Method by which children are assigned to a particular disorder. b. System of describing particular disorders. c. Method by which researchers can classify children. d. System of quantifying particular disorders.
Participants taking on the negativistic subject role ____
a. are concerned that their performance in the study will be used to evaluate them b. try to act in a manner such that their data are in contrast to the hypothesis c. try to act in a manner such that their data are consistent with the hypothesis d. try to avoid acting on the basis of their suspicions
Research indicates that a boy develops stronger identification with his father when his father . . .
a. Is nurturant and warm b. Is punitive or threatening c. Leaves the discipline to the boy’s mother d. None of the above
Remembering to do things in the future is called _____ memory.
A) prospective B) semantic C) anterograde D) source