Literaturnachweis - Detailanzeige
| Autor/inn/en | D'Costa, Ayres G.; und weitere |
|---|---|
| Titel | A Measure of Scale Clarity. |
| Quelle | (1971), (7 Seiten)
PDF als Volltext kostenfreie Datei |
| Dokumenttyp | gedruckt; online; Monographie |
| Schlagwörter | High School Students; Individual Differences; Measurement; Occupational Surveys; Predictor Variables; Rating Scales; Research; Responses; Statistics; Vocational Interests |
| Abstract | The Feasibility of developing an index to represent the degree of consistency with which a student responds to a set of items in a homogeneous scale is investigated. The dispersion of responses to a set of items by a group of subjects has typically been measured by the standard deviation. Here, the interest is in the dispersion of responses from the same subject to a set of items. The Ohio Vocational Interest Survey was used to gather students' responses to 11 items (job-activity statements) in terms of a 5-option scale. The investigation consisted of 3 phases: (1) a scale clarity index (SCI) was devised; (2) all possible response patterns were defined and the clarity of each was rated in terms of degree of consistency; and (3) the extent to which the deviation raw score, the standard deviation, mean deviation, and a centrality index would predict the scale clarity rating developed in the second phase was investigated. A critical aspect of this study is the judges' ratings of the clarity inherent in each pattern. The SCI provides additional information as to the nature of a subject's responses, is useful in the interpretation of raw scores, especially those based on individual item responses, and has great promise in testing and measurement practice. (TA) |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
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