_________ assesses the question, "Does the test adequately measure what it purports to measure?"

A measure called the ______ is used to assess the newborn's physical condition; the highest score a newborn can get is ______

Fill in the blank with correct word

The primary effect of endorphins is to ________

a. reduce pain but also reduce pleasure. b. heighten pain and reduce pleasure. c. flatten mood and emotional expression. d. reduce pain and promote pleasure.