The Guttman method of devising attitude scales relies upon judges to select items.

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The Guttman scale, also known as the scalogram analysis, is a cumulative scale where items are arranged in a single dimension so that a person who agrees with an item also agrees with items of lower rank. It does not rely on judges to select items but on a mathematical model that assumes if a respondent agrees with a certain item, they will agree with all less extreme items.

The Guttman Method of Devising Attitude Scales Relies Upon Judges