With Its Insistence Upon Unidimensionality Guttman Scales Are Superior to Other

question 4

True/False

With its insistence upon unidimensionality Guttman scales are superior to other types of attitude scales.

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are from the mean.

Tchebysheff's Theorem

A statistical rule stating that for any dataset, regardless of distribution, a certain minimum percentage of values must lie within a specified number of standard deviations from the mean.

Population Mean

A calculation of the central value among all data points in a population.

Sample Mean

The average of a set of numerical values taken from a sample.