Degree to which a measurement device accurately measures the theoretical construct it is designed to measure

When others describe someone's symptoms or behavior, the technique is referred to as

a. observer's description. b. informant report. c. outside/objective report. d. confirming/disconfirming report.

In healthy, physically fit women, regular moderate to vigorous exercise during pregnancy is related to __________

A) lower birth weight and higher risk of premature birth B) suppressed development of the immune system C) serious damage to the central nervous system D) improved fetal cardiovascular functioning