Alireza jafari Baghkheirati

[ 1 ] - Validity and reliability of optimism questionnaire among adolescents based on theory of planned behavior

Introduction: This study aimed to standardize, stabilize, and validate the optimism questionnaire based on the theory of planned behavior in the first-grade high school male adolescents. Materials and Methods: The present descriptive study was conducted on 170 male students in the first grade of high school. The study data were collected using a questionnaire. In order to determine the reliabil...