People who are willing to take part in surveys usually have opinions and views that are different from those who decline to take part. This phenomenon is called:
a. volunteer bias.
b. experimenter's bias.
c. confirmation bias.
d. systematic bias.
Answer: a
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Menstruation is the only change that takes place during puberty for girls.
Answer the following statement true (T) or false (F)
Aronson's jigsaw classroom created
a. friendly competition between the students. b. superordinate goals for the students. c. status inequalities among the students. d. individuating information for the students to assimilate.
Based on research into the reasons why some people are homosexual, while others are heterosexual, most experts would say that homosexuality ________
a. is the result of a "smothering mother." b. is the result of an "absent father." c. is caused by being seduced by an older adult. d. has unknown causes.
Chemicals that regulate the activity of other neurons, but do not carry messages directly are called
a. brain deregulators. b. neural inductors. c. neuropeptides. d. ion channeling agents.