Volume 16, Issue 2 (Vol 16, No.2 2020)                   irje 2020, 16(2): 134-143 | Back to browse issues page

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Mehri A, Yaseri M, Rahimi D, Nejat S. Validation and Psychometric Properties of Self-Confidence Questionnaire (PEI). irje. 2020; 16 (2) :134-143
URL: http://irje.tums.ac.ir/article-1-6591-en.html
1- MSc in Epidemiology, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
2- Associate Professor of Biostatistics, Department of Epidemiology and Biostatistics, School of Publich Health, Tehran University of Medical Sciences, Tehran, Iran
3- BSc in Nursing, Department of Nursing, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
4- Professor of Epidemiology, Department of Epidemiology and Biostatistics, Knowledge Utilization Research Center, , School of Public Health, Tehran University of Medical Sciences, Tehran, Iran , nejatsan@tums.ac.ir
Abstract:   (1766 Views)
Background and Objectives: Self-confidence is an individual characteristic in students that enables them to have a positive or realistic view of themselves. The purpose of present study was to evaluate the validity and psychometric properties of the Self-confidence Questionnaire (PEI)
 
Methods: This cross-sectional study was conducted on 100 students of four medical universities. Validation of this questionnaire included the steps of translation, content validity, face validity, repeatability and internal consistency.
 
Results: The mean age of the participants in this study was 32.1 (SD = 5.5) years. The majority of the students were postgraduate students (47%) and the least (11%) were undergraduate students. The results of this study showed that the overall relevancy and clarity of the questions were 92% and 83%, respectively. The percentage of agreement on overall comprehensiveness was 100%. Cronbach's alpha coefficient and interclass correlation coefficient were higher than 0.7 in all domains. The ICC of each question was also between 0.72 and 0.98.
 
Conclusion: Based on the results of this study, the Persian version of the PEI questionnaire has an appropriate reliability for use in the student population of Iranian universities.
 
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Type of Study: Research | Subject: Epidemiology
Received: 2020/09/20 | Accepted: 2020/08/31 | Published: 2020/08/31

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