When depressive symptoms are relatively mild and less disruptive of behavior, but more chronic, an appropriate diagnosis would be:

When a wave of light becomes longer, we see this as a change in the light's __________

a) brightness. b) intensity. c) duration. d) color.

Extreme sadness, despair, a feeling of "slowing down," and problems eating and sleeping characterize which of the following disorders?

a) dissociative fugue b) disorganized schizophrenia c) generalized anxiety disorder d) major depressive disorder