Riya Is Examining Whether Exposure to Sunlight Will Minimize the Depressive

Multiple Choice

Riya is examining whether exposure to sunlight will minimize the depressive symptoms associated with seasonal affective disorder (SAD) . Her study design requires participants to sit outside in direct sunlight rather than use sunlamps because this gives her study more:

A) mundane realism.
B) statistical significance.
C) internal validity.
D) experimental control.