Omnibus T-Scale (OTS): The evaluation of validity and reliability of staff in primary schools

Authors

lorestan university

Abstract

The current study was carried out to investigate internal consistency and factor validity of Omnibus Trust Scale (OTS)developed by Hoy & Tschannen-moran (2003). In this study, 255 teachers from elementary schools of Bajestan were selected through multistage sampling method. Internal consistency of Omnibus Trust scale investigated by Cronbach’s alpha method and factor structure's scale were verified with principal axis factor analysis and confirmatory factor analysis too. Results indicated that Cronbach’s alpha for scale is 0/96 and all of subscales have high degree of alpha too. Also factor analysis with principal axis and promax rotation indicated three components similar to what mentioned by designers in original study that these factors overall explained 71/04 percent of the variance in data. Confirmatory factor analysis of scale indicates that three extracted components structure have good fit to data, too. Findings of this study emphasize that Omnibus Trust Scaleis a reliable and valid instrument to assess faculty trust of Iranian teachers.

Keywords

References

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Journal of Applied Psychological Research
Volume 8, Issue 1
August 2017
Pages 31-48

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History

  • Receive Date: 12 December 2015
  • Revise Date: 22 June 2017
  • Accept Date: 11 March 2017
  • First Publish Date: 21 April 2017
  • Publish Date: 21 April 2017

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