ارزیابی روایی و پایایی مقیاس اطمینان کارکنان (OTS) در مدارس ابتدایی

نویسندگان

1 استادیار دانشگاه لرستان

2 دانشجوی دکتری روانشناسی تربیتی دانشگاه لرستان

چکیده

پژوهش حاضر با هدف بررسی ثبات درونی و روایی عاملی مقیاس اعتماد کارکنان (OTS) طراحی شده توسط هوی و شان- موران (2003) انجام شد. در این پژوهش، 255 معلم از مدارس ابتدایی شهر بجستان با روش نمونه­گیری چند مرحله­ای انتخاب شدند. ثبات درونی مقیاس اعتماد کارکنان به کمک آلفای کرونباخ و ساختار عاملی آن با تحلیل عاملی به روش عامل مشترک و نیز تحلیل عاملی تأییدی بررسی شد. یافته­ها نشان داد آلفای کرونباخ کل مقیاس، 96/0 است و خرده مقیاس­ها نیز از آلفای بالایی برخوردار هستند. همچنین تحلیل عاملی به روش عامل مشترک با چرخش پروماکس، سه عاملِ مشابه با عوامل مطرح شده توسط سازندگان مقیاس در پژوهش اولیه­شان را نمایان ساخت که مجموعاً 04/71 درصد واریانس داده­ها را تبیین می­کرد. تحلیل عاملی تأییدی مقیاس نیز نشان دهنده­ی برازش خوب ساختار سه عاملی مطرح شده با داده­ها بود. نتایج پژوهش حاضر گویای آن است که مقیاس اعتماد کارکنان، ابزاری پایا و معتبر جهت اندازه­گیری اعتماد آموزشگاهی معلمان ایرانی است.

کلیدواژه‌ها


عنوان مقاله [English]

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

نویسندگان [English]

  • hasan ali vaiskarami 1
  • Ezzatollah Ghadampour 1
  • Mohammad Reza Mottaghinia 2
1 lorestan university
چکیده [English]

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.

کلیدواژه‌ها [English]

  • Omnibus Trust Scale
  • internal consistency
  • Factor Structure
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