Examlex
Under which of the following circumstances is a participant observer more likely to have a significant effect on the behavior of the subjects being observed?
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, commonly set thresholds include 0.05, 0.01.
Random Sample
A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.
Confidence Interval
A range of values derived from sample data that is likely to contain the value of an unknown population parameter, with a certain level of confidence.
Retained Students
Students who have not progressed to the next academic grade or level as expected, often due to academic or other challenges.
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