Examlex
Performance effects occur when participants improve performance due to subsequent experience on the same task.
Null Hypothesis
The premise in hypothesis testing that suggests there is no association or effect among the variables being tested.
Null Hypothesis
A statement positing that there is no significant effect or difference for a specific population parameter.
Positive Relationship
Relationship in which increases in scores for one variable are associated with increases in scores of another variable.
Population Means
The average value of a particular variable for the entire population, which provides a parameter that can be estimated through the use of sample means.
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