Dr. Taylor is conducting a study to test the effect of a new drug on people's ability to concentrate at work. His research sample consists of 100 US adults. During a 14-week period, half of the sample is administered the drug and the other half is administered a placebo, and participants' concentration abilities are continually tracked. In the context of this study, if Dr. Taylor uses random
assignment, it means that ____.
a. his study will be high in external validity
b. the 100 adults in his study are likely to be representative of the larger population of interest
c. each research participant has an equal chance of being assigned to each level of the independent variable
d. his research findings are likely to be statistically significant
C
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Which of the following is the most important use of performance evaluation results?
a. Employee compensation b. Employee promotion c. Employee training and feedback d. Personnel research
Carl Rogers, the originator of _____ therapy, believed that childhood experiences give rise to conditions of worth
Fill in the blank(s) with correct word
What term is used to describe adolescents' sense of invulnerability that can lead them to engage in high-risk behaviors?
a) death wish b) self-delusion c) personal fable d) self-injurious tendency
In the article on object permanence, Now You See It, Now You Don't, Piaget's conservation task was
described as a situation in which children (a) assessed amounts of clay when the amount was the same and the shape was different (b) had to solve complex puzzles which had pictures of faces on them (c) built various kinds of structures with brightly colored blocks (d) learned how to plant trees and how to prevent forest fires