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Autor/in | Creighton, Theodore B. |
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Titel | A Construct Validation of the Administrative Diagnostic Inventory. |
Quelle | (1997), (25 Seiten)
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | gedruckt; online; Monographie |
Schlagwörter | Assessment Centers (Personnel); Behavior Patterns; Construct Validity; Elementary Education; Evaluation Methods; Factor Analysis; Principals; Teachers |
Abstract | In November 1996, the National Association of Elementary School Principals (NAESP) approved the revision of the Administrative Diagnostic Inventory (ADI), the diagnostic procedure conducted in their assessment center. To assist the NAESP in the use of the ADI for the assessment of current and prospective school principals, the construct validity of the instrument was studied. The ultimate goal of the study was to support the discreteness of the 13 behavioral constructs first identified and the intercorrelation of the 8 descriptors identified within each construct. The use of truth tables (a method of comparing items according to verbal construction through "if/then" statements) by the ADI writing team resulted in the creation of 11 constructs with strong items of measurement. Data came from a paper and pencil instrument administered to 203 teachers and other administrators (participants in a leadership institute) who evaluated their supervising principals. Factor analysis was used to identify the underlying constructs and to make the variables more manageable. Factor analysis showed that the descriptors within each of the 13 skill dimensions were highly correlated and significant measures of the construct for which they were written. Factor analysis also revealed 6 of the 13 constructs to be discrete and effective measures of effective behavior of school principals. The seven constructs that did not prove to be discrete may be improved by subjecting the descriptors to the verbal logic of truth tables. (Contains 3 figures, 7 tables, and 21 references.) (SLD) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |