Research Article

Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample

Volume: 17 Number: 1 April 28, 2026
TR EN

Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample

Abstract

This study aimed to develop a scale to assess the efficacy of teaching students with developmental disabilities and test it with a sample of special education teachers (SETs) by demographic characteristics. Exploratory and confirmatory factor analyses were performed to determine the scale’s validity and reliability. The exploratory factor analysis revealed that the scale has two factors. The first factor, “Cooperation and Rights Advocacy,” was explained as 28.09% of the total variance, with a Cronbach’s alpha coefficient of .85. The second factor, “Teaching and Classroom Management,” was explained as 18.02% of the total variance, with a Cronbach’s alpha coefficient of .79. Cronbach’s alpha coefficient for the whole scale was calculated as .82. Also, McDonald’s omega coefficients were calculated as .86 for the first, .79 for the second factors, and .82 for the whole scale. As a result, the scale is a valid and reliable tool for determining SETs’ efficacies. While the efficacy of SETs did not differ significantly according to the gender and educational level they teach, it differed significantly according to their educational level, disability group of their teaching, and professional seniority.

Keywords

References

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Details

Primary Language

English

Subjects

Other Fields of Education (Other)

Journal Section

Research Article

Early Pub Date

April 19, 2026

Publication Date

April 28, 2026

Submission Date

January 29, 2025

Acceptance Date

April 13, 2026

Published in Issue

Year 2026 Volume: 17 Number: 1

APA
Turgut, S., & Uğurlu, M. (2026). Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample. Batı Anadolu Eğitim Bilimleri Dergisi, 17(1), 850-875. https://doi.org/10.51460/baebd.1628891
AMA
1.Turgut S, Uğurlu M. Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample. WAJES. 2026;17(1):850-875. doi:10.51460/baebd.1628891
Chicago
Turgut, Sedat, and Mahir Uğurlu. 2026. “Developing Efficacy Scale for Teaching Students With Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample”. Batı Anadolu Eğitim Bilimleri Dergisi 17 (1): 850-75. https://doi.org/10.51460/baebd.1628891.
EndNote
Turgut S, Uğurlu M (April 1, 2026) Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample. Batı Anadolu Eğitim Bilimleri Dergisi 17 1 850–875.
IEEE
[1]S. Turgut and M. Uğurlu, “Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample”, WAJES, vol. 17, no. 1, pp. 850–875, Apr. 2026, doi: 10.51460/baebd.1628891.
ISNAD
Turgut, Sedat - Uğurlu, Mahir. “Developing Efficacy Scale for Teaching Students With Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample”. Batı Anadolu Eğitim Bilimleri Dergisi 17/1 (April 1, 2026): 850-875. https://doi.org/10.51460/baebd.1628891.
JAMA
1.Turgut S, Uğurlu M. Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample. WAJES. 2026;17:850–875.
MLA
Turgut, Sedat, and Mahir Uğurlu. “Developing Efficacy Scale for Teaching Students With Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample”. Batı Anadolu Eğitim Bilimleri Dergisi, vol. 17, no. 1, Apr. 2026, pp. 850-75, doi:10.51460/baebd.1628891.
Vancouver
1.Sedat Turgut, Mahir Uğurlu. Developing Efficacy Scale for Teaching Students with Developmental Disabilities and an Analysis by the Special Education Teachers’ Sample. WAJES. 2026 Apr. 1;17(1):850-75. doi:10.51460/baebd.1628891