Examlex
On average, a 4- or 5-year-old child has an attention span of __________.
Ex Post Facto Design
Ex Post Facto Design is a research approach where investigators study variables after the events have occurred, analyzing the effects of naturally occurring differences without manipulation.
Correlational Study
A research method that examines the relationship between two or more variables to determine if a change in one is associated with a change in others.
Retrospective Study
A research design that looks back in time to analyze data from past records to investigate a particular outcome or phenomenon.
Prospective Study
A research design that follows participants forward in time to examine the relationship between specific exposures and outcomes.
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