The _____ is a measure of the proportion of variance in one of the variables that is accounted for by the other variable

a. Spearman rank-order correlation coefficient
b. coefficient of determination
c. point-biserial correlation coefficient
d. Pearson product-moment correlation coefficient


b

Psychology

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Leshaun is diagnosed with pyromania. He suffers from no other psychological disorders, but gets intense pleasure from watching buildings burn. He sets a fire to get revenge or for financial gain. What is unusual about Leshaun's case?

a. It is unusual for a person with pyromania to be motivated by revenge or financial gain. b. It is unusual for a man to have pyromania. c. It is unusual for a person with pyromania not to suffer also from mood disorders and/or substance abuse. d. It is unusual for a person with pyromania to get pleasure from watching a building burn.

Psychology

Which of the following is not a result of opiate use?

a. constipation b. altered serotonergic neurotransmission c. a characteristic physical abstinence syndrome d. pain relief e. dependence

Psychology

In explaining why humans are not completely mechanical, Descartes has become associated with the ______ distinction.

a. mind–body b. voluntary–involuntary c. heart–brain d. material–immaterial

Psychology

An admissions director for a college decides to keep the existing admissions policy since 80% of the students admitted eventually graduate. Unknown to her, 90 percent of the rejected applicants would also have been successful graduates

Her decision- making process is hampered by ________. a. the representativeness heuristic b. the availability heuristic c. hill-climbing d. creating subgoals

Psychology