Although the Problem of Losing Respondents Over Time Can Be

question 39

Multiple Choice

Although the problem of losing respondents over time can be a problem with longitudinal studies,they are often preferable to cross-sectional designs because they can help researchers detect causal effects.The reason longitudinal studies are better able to detect causal effects is that they can

• A)document within-person changes.
• B)document across-person changes.
• C)give respondents a chance to correct earlier responses.
• D)give the researcher a good way to test measurement reliability.

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Definitions:

Creatine Phosphate

A protein that stores extra phosphate groups.

Phosphate Groups

Functional groups consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer and molecular signaling.

Acetylcholine

A neurotransmitter involved in the activation of muscle action, memory, and transmission of nerve impulses.

Intercalated Discs

Specialized connections between neighboring cardiac muscle cells that facilitate the rapid transmission of electrical impulses through the heart.