Why Might a Researcher Choose to Do a Cross-Sectional Study

question 30

Multiple Choice

Why might a researcher choose to do a cross-sectional study instead of a longitudinal study?

• A) to gather their research as quickly as possible
• B) to spend a long time with each participant
• C) to gather as much information over months of repeated interviews
• D) to spend funds budgeted to prevent attrition

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Definitions:

Existential Generalization

A logical operation that infers the existence of at least one member of a domain that satisfies a given property from a particular case or instance.

Quantifier Negation

A transformation in formal logic that involves altering the scope of negation in relation to quantifiers in a statement.

Universal Generalization

A conclusion drawn about all members of a group based on observations or evidence from only some members of the group.

Existential Instantiation

A rule of inference used in logic to deduce that if there exists an element in a domain with a certain property, one can infer the existence of a specific example of that element.