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Abstract
The paper-and-pencil 50-item elementary school form of the dogmatism scale was shortened by use of the item statistics x50 and ß to produce a 20-item instrument with a test characteristic curve designed to maximally spread respondents around the midpoint of the score range. Reliability coefficients for selected sub-sample responses to the modified instrument by school-aged adolescents range from .81 to .77 with a coefficient of . 78 being reported for the general sample (N = 1, 284).