Validity and Reliability of Lecturers' Behaviors Questionnaire and Student Instructor-Relationship Scale (SIRS) Instruments: Study of Physical Education Students in College

by Diva Ristie Valentina, Heryanto Nur Muhammad, Noortje Anita Kumaat, Sri Wicahyani, Taufiq Hidayat

Published: April 12, 2026 • DOI: 10.47772/IJRISS.2026.100300443

Abstract

The purpose of this study was to test the validity and reliability of the Lecturers' Behaviors Questionnaire and Student Instructor-Relationship Scale (SIRS) instruments. This study used a quantitative approach. Respondents in this study were students of the Physical Education, Health, and Recreation study program, Faculty of Sport and Health Sciences, Surabaya State University. The researcher used the Slovin formula in determining the number of respondents. Data were collected using an online Likert-scale questionnaire. The researcher conducted validity and reliability tests using SPSS. The results showed that 22 of the 24 total statements in the Lecturers' Behaviors Questionnaire were deemed valid (Sig.). (2-tailed) <0.05. The reliability of the Lecturers' Behaviors Questionnaire was .916. In the Student Instructor-Relationship Scale (SIRS), Researcher 34 of the total 36 statements in the Lecturers' Behaviors Questionnaire were valid (Sig.). (2-tailed) <0.05. The reliability of SIRS is .852. Based on the research results, the Lecturers' Behaviors Questionnaire is suitable for measuring students' perceptions of lecturers' behavior during the learning process. SIRS is suitable for assessing the quality of the relationship between students and lecturers in the learning process for students of the Physical Education, Health and Recreation study program in higher education.