Which Would Be the Most Likely Threat to Internal Validity

question 114

Multiple Choice

Which would be the most likely threat to internal validity for adults' anxiety and depression scores during the decade of 1929-1939, known for the Great Depression?

• A) testing effect
• B) instrumentation
• C) sensitization effect
• D) history

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Definitions:

Double Chains

Structures consisting of two parallel chains of atoms or molecules bonded together, often found in silicate minerals.

Silicon Tetrahedron

A structural unit in silicate minerals, consisting of a central silicon atom covalently bonded to four oxygen atoms at the corners of a tetrahedron.

Silicate Minerals

Minerals that contain silicon and oxygen, and possibly other elements, constituting the largest family of minerals.

Silicon Tetrahedron

A fundamental building block in silicate minerals, consisting of a silicon atom surrounded by four oxygen atoms in a tetrahedral arrangement.