Examlex
A probability distribution of a continuous random variable X gives the probability that X takes on a particular value x, P(X = x).
Cross-Sectional
A type of study or analysis that examines data from a population at one specific point in time.
Longitudinal Designs
Research strategies that involve repeated observations of the same variables or groups over a period of time.
Cohort
A group of subjects who share a defining characteristic, typically studied over a period to observe changes and developments.
Attrition
The reduction in the number of participants or the workforce over time, often due to resignation or retirement.
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