By testing their predictions with scientific methods,psychologists are using a(n)

A) placebo effect.
B) empirical approach.
C) psychodynamic perspective.
D) independent variable.

Empirical Approach

A method of inquiry that relies on direct, systematic observation and experimentation as a way to acquire knowledge.

Psychodynamic Perspective

A view that explains personality in terms of conscious and unconscious forces, such as unconscious desires and beliefs.