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Test Statistic
A value calculated from sample data during a hypothesis test. It is used to make a decision regarding the null hypothesis.
Alpha Level
The alpha level, often symbolized as α, is the threshold of statistical significance in hypothesis testing, commonly set at 0.05.
Pretest Score
An initial score or measurement taken before an intervention or treatment in research studies.
T Value
A t value, in statistics, is a calculated value used in t-testing to determine whether to reject the null hypothesis, comparing the observed sample mean to a specific population mean.
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