In all, about ____ percent of synapses are pruned during childhood and adolescence.

a. 20
b. 40
c. 60
d. 80


Answer: b. 40

Psychology

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Why was the Stanford Prison Study (Haney, Banks & Zimbardo, 1973) stopped well ahead of schedule?

a. ?inappropriate behaviors by study participants b. ?early completion of the study c. ?lack of study design d. ?inappropriate behaviors by the principal investigator

Psychology

A researcher introduces a new mathematics program in one school district and uses a neighboring district as a no-treatment control group. After the program is in place for six months, the researcher intends to give the students in both districts a standardized mathematics test and then compare their scores. This research cannot be classified as a true experiment because ____. a. the treatment

is administered to only one group. b. there is no pretest to determine mathematics ability before the program c. the researcher does not control the assignment of participants to groups d. it is not conducted in a laboratory

Psychology

Learning that occurs without obvious reinforcement and that remains unexpressed until reinforcement is provided is known as __________ learning

Fill in the blank(s) with correct word

Psychology

Human experiences begin at birth

Indicate whether the statement is true or false

Psychology