Examlex
For the paired-samples t test, one of the assumptions is that the variance of scores at time one is similar to the variance of scores at time two, known as homogeneity of variance.
Distraction-Conflict Theory
A theory suggesting that the presence of others can increase arousal and facilitate performance on familiar tasks but may hinder performance on complex tasks due to attentional conflict.
Evaluation Apprehension Model
A theory suggesting that anxiety about being evaluated by others can lead to increased or decreased performance depending on the individual and the context.
Social Facilitation
The tendency for individuals to perform better on simple or well-learned tasks in the presence of others than when alone.
Discretionary Task
refers to a job or an assignment that requires personal judgment or choice in its execution, often without strict guidelines or procedures.
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