Examlex
Who appears in human form on the Ionic frieze of the Parthenon?
P-value
A statistical measure that helps determine the significance of results by indicating the probability of observing the results given that the null hypothesis is true.
Placebo Group
A control group in a clinical trial that receives a sham treatment, allowing researchers to measure the effect of the actual treatment by comparison.
Treatment Group
A group in an experimental study that receives the intervention or treatment being tested.
Retention Rate
The percentage of individuals who remain engaged or enrolled in a program, institution, or employment over a specified period.
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