The Value of the Sum of the Squared Deviations from the Mean

question 117

Multiple Choice

The value of the sum of the squared deviations from the mean, i.e., must always be

• A)less than the mean
• B)negative
• C)either positive or negative depending on whether the mean is negative or positive
• D)at least zero

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Definitions:

Thurstone's Method

A psychometric technique for measuring attitudes that involves the use of a scaling method for ranking items along a continuum.

Semantic Differential Scale

A type of survey or questionnaire tool used for measuring the connotative meaning of objects, events, or concepts.

Expectancy-Value Technique

A method used to understand motivation, positing that individuals' behaviors are influenced by their expectations of success and the value they place on the outcome.

Likert Scale

Scale that evaluates how strongly people agree/disagree with favourable/unfavourable statements about an attitude object.