The Following Is TRUE of Cumulative Scales

question 30

Multiple Choice

The following is TRUE of cumulative scales.

• A) Identical scores from participants have the same meaning
• B) It is impossible to judge which scale items were answered positively or negatively
• C) There is no tool to judge whether a set of scale items forms a unidimensional scale
• D) The Stapel analysis is used to judge multidimensionality of the cumulative scale.
• E) None of the above

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Definitions:

Positive Value

A number greater than zero.

Z

Often referred to in statistics as a standard score, it represents the number of standard deviations a data point is from the mean.

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, representing a perfect bell curve.

Continuous Probability Distributions

Mathematical functions that represent the probabilities of all possible values in an unbroken (continuous) range.