The Rucker‐Gable educational programming scale: Stability over time

Nick Henry, Stephen Graham

Research output: Contribution to journalArticle

Abstract

The Rucker‐Gable Educational Programming Scale (RGEPS) was designed to measure a respondent's attitude toward the knowledge of appropriate program placement for handicapped students, and has been used to evaluate in‐service workshops and university courses. Nonetheless, a recent investigation by Graham and Henry (1981) found that, even though the average correlation among items within the scale was substantial, the cross‐correlation between similar halves of the RGEPS varied considerably over a short period of time. The present study was designed to determine if the reduction in reliability was due to either one of two factors (i.e., content inequivalence or attribute instability). The findings replicated, in part, the results obtained by Graham and Henry. In addition, it appears that the construct or constructs measured by the RGEPS are unstable over short periods of time.

Original languageEnglish (US)
Pages (from-to)494-497
Number of pages4
JournalPsychology in the Schools
Volume20
Issue number4
DOIs
StatePublished - Jan 1 1983
Externally publishedYes

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ASJC Scopus subject areas

  • Education
  • Developmental and Educational Psychology

Cite this

The Rucker‐Gable educational programming scale : Stability over time. / Henry, Nick; Graham, Stephen.

In: Psychology in the Schools, Vol. 20, No. 4, 01.01.1983, p. 494-497.

Research output: Contribution to journalArticle

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