Riya Is Examining Whether Exposure to Sunlight Will Minimize the Depressive

question 97

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.

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Definitions:

UV Radiation

Ultraviolet radiation, a type of energy emitted by the sun and artificial sources, which is invisible to the human eye and can cause skin damage.

Extinct Species

Species that no longer exist; having no living members.

Biotic Pollution

The introduction of harmful living organisms into ecosystems, leading to negative effects on native species and their habitats.

Unregulated Hunting

Hunting without restrictions or oversight, which can lead to overexploitation and significant declines in wildlife populations.