The statistical power of a test
a. Depends on the size of the sample drawn from the population
b. Depends on the size of the effect
c. Depends on the reliability of the test
d. Both a and b
d
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According to Freud, the motivated removal of a thought or memory to the unconscious is called ______________
Fill in the blank(s) with correct word
Konrad Lorenz's "family" was unusual because they were
a. goslings that had imprinted on him as their mother. b. rhesus monkeys that preferred him to their real mother. c. pigeons that he had trained. d. isolated during their critical period.
An experiment is conducted to test a new antianxiety drug. After taking the drug, 35 percent of the participants receiving the medication report less anxiety, compared to 36 percent of those taking a placebo. The researchers should conclude that _______
a. participants knew which group they were in. b. the medication itself probably has no real effect on anxiety. c. the drug actually increases anxiety. d. the drug is an effective treatment for anxiety.
According to nativist Noam Chomsky, a language acquisition device is a(n)
A) innate system of rules common to all languages. B) form of speech made up of high-pitched, exaggerated expressions. C) instrument used to screen infants for language difficulties. D) area of the brain that controls language production.