When Computing the Variance,why Do We Square the Deviations from the Mean

question 50

Multiple Choice

When computing the variance,why do we square the deviations from the mean?

• A)To return the units of measure to their original form
• B)To compensate for the fact that the number of degrees of freedom is different from N
• C)To transform the raw scores into squared scores
• D)To compensate for the fact that deviations about the mean always sum to zero

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Definitions:

Social Loafing

A phenomenon in which individuals decrease their effort when working in a group compared to when working alone.

Construct Accessibility

The ease with which a particular mental construct can be activated or brought to mind, often influenced by recent experiences or current mood.

Primacy Effect

The inclination to recall data presented at the start of a list more effectively than the subsequent information.

Recency Effect

Tendency to remember information at the end of a body of information better than the information that precedes it.