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Open Access Highly Accessed Research article

The School Anxiety Scale-Teacher Report (SAS-TR): translation and psychometric properties of the Iranian version

Zahra Hajiamini1, Ashraf Mohamadi2, Abbas Ebadi2, Ali Fathi- Ashtiani3, Mahmoud Tavousi4 and Ali Montazeri5*

Author Affiliations

1 Behavioral Sciences Research Center and School of Nursing, Baqiyatallah University of Medical Sciences, Tehran, Iran

2 School of Nursing, Bagiyatallah University of Medical Sciences, Tehran, Iran

3 Behavioral Sciences Research Center, Bagiyatallah University of Medical Sciences, Tehran, Iran

4 Health Education and Promotion Research Group, Health Metrics Research Center, Iranian Institute for Health Sciences Research, ACECR, Tehran, Iran

5 Mental Health Research Group, Health Metrics Research Center, Iranian Institute for Health Sciences Research, ACECR, Tehran, Iran

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BMC Psychiatry 2012, 12:82  doi:10.1186/1471-244X-12-82

Published: 18 July 2012

Abstract

Background

The School Anxiety Scale-Teacher Report (SAS-TR) was designed to assess anxiety in children at school. The SAS-TR is a proxy rated measure and could assess social anxiety, generalized anxiety and also gives a total anxiety score. This study aimed to translate and validate the SAS-TR in Iran.

Methods

The translation and cultural adaptation of the original questionnaire were carried out in accordance with the published guidelines. A sample of students participated in the study. Reliability was estimated using internal consistency and test-retest analysis. Validity was assessed using content validity. The factor structure of the questionnaire was extracted by performing both exploratory and confirmatory factor analyses.

Results

In all 200 elementary students aged 6 to 10 years were studied. Considering the recommended cut-off values, overall the prevalence of high anxiety condition in elementary students was found to be 21 %. Cronbach's alpha coefficient for the Iranian SAS-TR was 0.92 and intraclass correlation coefficient (ICC) was found to be 0.81. The principal component analysis indicated a two-factor structure for the questionnaire (generalized and social anxiety) that jointly accounted for 55.3 % of variances observed. The confirmatory factory analysis also indicated a good fit to the data for the two-latent structure of the questionnaire.

Conclusion

In general the findings suggest that the Iranian version of SAS-TR has satisfactory reliability, and validity for measuring anxiety in 6 to 10 years old children in Iran. It is simple and easy to use and now can be applied in future studies.