An item-reliability index provides a measure of a test's
A. stability.
B. test-retest reliability.
C. internal consistency.
D. All of these
Answer: C
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Although prejudice was reduced by jigsaw classrooms, it did not improve the children's grades, self-esteem, or attitudes toward school
a. True b. False Indicate whether the statement is true or false
Sociologists tend to study behavior at the ____ level, whereas social psychologists study behavior at the ____ level
a. group? individual b. interpersonal? cultural c. specific? general d. social? cognitive
Which of the following is NOT true of people who are best at detecting lies?
a. They are likely to be police officers, psychiatrists, or others whose profession involves detecting lies. b. People overestimate their ability to detect liars. c. Even the best of judges of liars have an accuracy rate around 57%. d. There is a significant difference between the accuracy rates of experts and non-experts.
Measurable heritable characteristics like brain abnormalities, attention processing deficits, or eye movements that give clues about specific genes involved in psychological disorders are called ____
a. endophenotypes b. iatrogenic effects c. base rates for a behavior d. genetic linkages