Examlex
Which of the following statements is true?
Single-subject Designs
Research designs focusing on the response of an individual subject to varying conditions or treatment over time.
Internal Validity
The extent to which a study is free from systematic error or bias, allowing for the accurate attribution of causality to the variable being studied.
External Validity
How much the conclusions drawn from a research can be seen as applicable across various scenarios and to other populations.
Longitudinal Study
A research method that involves repeated observations of the same variables (such as people) over short or long periods of time, often years or decades.
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