Examlex
A permutation of a set of objects or events is a sequence in which the internal ordering of elements is irrelevant.
External Validity
The extent to which the results of a study can be generalized to and across other situations, people, settings, and time periods.
Power Analysis
A statistical method used to determine the sample size required to detect an effect of a given size with a specific degree of confidence.
Sample Size
The number of observations or participants in a study, significant for determining the study's statistical power.
Internal Validity
The extent to which a study can demonstrate a clear cause-and-effect relationship, limiting the impact of external variables.
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