In a study on alcohol and aggressive behavior, subjects are randomly assigned to one of two groups. One group receives real alcohol while the other group receives tonic water that tastes identical to real alcohol. In this way, neither group of subjects knows who got the real alcohol. In this study, the nonalcoholic tonic water serves as a(n) __________.
A. selection factor
B. dependent variable
C. independent variable
D. placebo
Answer: D
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What will be an ideal response?
________ is credited with developing person-centered therapy
a) Sigmund Freud b) Carl Rogers c) Albert Ellis d) Aaron Beck
When researchers want to measure test–retest reliability/precision, they must assume test takers’ ability will ______.
A. not change between the first administration and the second administration B. increase between the first administration and the second administration C. decrease between the first administration and the second administration D. be affected by the order they took the tests
Between the ages of 5 and 12, children strive to develop a sense of competence arising from their work and effort. Erikson refers to this stage of development as __________.
A. trust versus mistrust B. autonomy versus shame and doubt C. initiative versus guilt D. industry versus inferiority