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:

Descendant Organism

A descendant organism is an organism that has descended from a specific ancestor, representing subsequent generations in the evolutionary timeline.

Novel Traits

New or unique characteristics that arise in a species, often playing a significant role in the process of evolution.

Derived Character

A trait that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals.

Cladistic Character

A feature of organisms used in cladistics to help establish evolutionary relationships, focusing on shared derived characteristics.