The Advantage of Squaring the Deviation of Each Score from the Mean

question 62

Multiple Choice

The advantage of squaring the deviation of each score from the mean and then summing is that

• A)it makes the sample variance an unbiased estimator of the population variance
• B)it makes the degrees of freedom for sample variance equal to n - 1
• C)it produces a minimal positive solution that is not zero,so long as all scores are not exactly the same value
• D)both A and C

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Definitions:

Fundamental Attribution Error

The tendency for people to over-emphasize dispositional or personality-based explanations for behaviors observed in others while under-emphasizing situational explanations.

Central Persuasion

A method of influencing that relies on direct, logical, and thought-provoking messages aiming at the central route of the cognitive process.

Peripheral Route Persuasion

A method of persuasion that influences individuals indirectly, by focusing on cues other than the direct message, such as the attractiveness or credibility of the source.

Central Route Persuasion

Central route persuasion is a method of persuasion that involves deeply processing the content of the message, leading to a lasting attitude change. It requires the audience's active and effortful engagement with the message.