Approximately ____% of men and ______% of women age 75 to 85 were found to be sexually active in a large survey.
A. 5; 4
B. 11; 6
C. 39; 17
D. 19; 32
Answer: C
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Piaget's concept of the logical principle of classification is valid only in North America and England
Indicate whether this statement is true or false.
Dylan picks up an object he has not seen before. He immediately puts it in his mouth. Dylan's behavior is representative of which stage of cognitive development?
a. concrete operations c. sensorimotor stage b. oral-cognitive stage d. physio-emotive stage
Narrowing the conditions that produce a conditioned response is known as __________.
A. deconditioning B. generalization C. extinction D. discrimination
Answer the following statement(s) true (T) or false (F)
A control variable is a potential source of influence on the dependent variable that researchers attempt to hold constant.