In exploring human behavior,contemporary psychologists rely most heavily on

A) introspection.
B) psychoanalysis.
C) natural selection.
D) scientific methods.

Scientific Methods

Systematic procedures for collecting and analyzing data, forming hypotheses, and testing predictions, fundamental to the acquisition of new knowledge.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, a central mechanism of evolution.

Introspection

The process of examining one's own thoughts, emotions, and motivations to gain self-awareness or understand personal mental states.