Developmental psychologists study physical, cognitive, and ______ changes throughout the human life span

Biological sex and psychological gender are _____

a) the same. b) different and distinct entities. c) different only if there were a chromosomal abnormality. d) often at war with each other.

Of the 9 temperament dimensions, _____ is the degree to which environmental stimuli interfere with ongoing behavior

A) threshold of responsiveness B) intensity of reaction C) quality of mood D) distractibility