Examlex
The unedited information gathered from a respondent in the exact form as provided by that respondent is called _____ data.
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.
Hypothesis Test
A statistical method used to determine whether there is enough evidence in a sample of data to infer that a certain condition holds true for a larger population.
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