Split-half reliability is a measure of a test's

The field of _____ studies the effects of psychological factors such as stress, emotions, thinking, and behavior on the immune system

A) social psychology B) organic medicine C) psychoneuroimmunology D) interactive psychology

Ethologist Konrad Lorenz, evolutionary theorists, and sociobiologists all suggest that aggression comprises all of the following EXCEPT __________

a) a fighting instinct shared with the animal kingdom that stems from primitive urges b) a learned behavior c) a biological root of social behavior d) a primitive urge that helps strengthen the species