For an independent-groups t test, the value of Cohen's d describes
a. the size of the treatment effect
b. the chance of a Type I error.
c. the chance of a Type II error.
d. the overall chance level in the experiment.
a
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Which of the following is NOT a condition that facilitates men having more than one wife?
A) a resource-rich environment B) a steep social hierarchy C) occasional famines D) an egalitarian society
Nicolas has autistic disorder and is mute. A therapist working with Nicolas initially gave him a piece of chocolate any time he made a sound with his lips. This slowly changed until Nicolas only received a piece of chocolate for saying complete words, and eventually only for saying complete sentences. In this example, Nicolas developed speech skills through the use of
a. classical conditioning. b. modeling. c. shaping. d. negative reinforcement.