Abstract
OBJECTIVE: This research is a quasi-experimental study conducted on male students from six elementary schools ranging from third to sixth grade in three regions of Shahrood city from March 2023 to February 2024. This study aimed to designing, implementing and evaluating a health-oriented self-learning game with a problem-solving approach in order to improve behavior in the field of personal health and healthy nutrition in elementary school students. RESULTS: There was a significant difference between the knowledge (p = 0.01), attitude (p > 0.001) and behavior (p = 0.01) in the control and intervention groups, after the intervention, while there was no significant difference between the two groups in these variables before the intervention. The utilization of health-oriented self-learning games proved to be effective in enhancing the knowledge, attitude, and behavior of elementary school students regarding personal health and healthy nutrition. CLINICAL TRIAL NUMBER: Not applicable.