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An analysis of stock market prices during 1929 to 1930 indicates that
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.
Demographically Similar
Refers to groups of people who share similar characteristics such as age, gender, income level, and education, often used in research to create comparable cohorts.
Single Participant
Research design involving the intensive study of a single subject to explore outcomes, behaviors, or responses to interventions over time.
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