Examlex
_____ wrote On the Origin of Species, which was published in _____.
Effect Size
A quantitative measure of the magnitude of a phenomenon, used to indicate the size of an experimental effect.
Independent Variable
The variable that is manipulated or changed in an experiment to see if it has an effect on some other variable.
Type I Error
Incorrectly rejecting a true null hypothesis, also known as a "false positive" in statistical hypothesis testing.
Alpha Level
The threshold of statistical significance in hypothesis testing, often set at 0.05, below which the null hypothesis is rejected.
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