Between the ages of 12 and 20, what percentage of the average brain's volume is lost through synaptic pruning?

a. 1–2%
b. 7–10%
c. 15–20%
d. 21–24%


Answer: B

Psychology

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Expert chess and average chess players look at a chessboard for a few seconds. Under what condition, if any, will the expert players remember the arrangement better than the other players?

a. Only if the pieces are arranged in a difficult, unfamiliar pattern b. Only if the pieces are arranged as they might be in a normal game c. Under all conditions, regardless of how the pieces are arranged d. Under no conditions, regardless of how the pieces are arranged

Psychology

The self does not exist in a vacuum. It both shapes and is shaped by ____

a. ?our genes b. ?temperament c. ?the id d. ?our social environment

Psychology

What is attachment style?

a. The various ways that people express love. b. One person in a relationship having more power than the other. c. The types of emotional bonds that develop between babies and their caregivers. d. The process of establishing the level of intimacy necessary to feel safe.

Psychology

It is possible to quantify the strength of the association between x and y using a quantity called the ______.

a. slope b. intercept c. the covariance d. correlation coefficient

Psychology