Investigating the effect of successful intelligence training on the happiness and life expectancy of female students in the third grade of elementary school in district 4 of Isfahan city

Successful intelligence training can contribute to a healthier lifestyle by fostering lifelong cognitive and emotional skills. Therefore, this research was conducted in order to investigate the effect of successful intelligence training on the happiness and life expectancy of students. The study was a semi-experimental study with a pre-test-post-test design with a control group. The statistical population includes all female students in the third grade of elementary school in the 4th district of Isfahan city in the academic year of 2023-2024. 30 people were selected as a sample through available sampling and were randomly divided into two experimental and control groups. In order to analyze the data, descriptive statistics methods (frequency, percentage, graph and average) were used to describe and classify the information, Cronbach's alpha was used to determine the reliability of the questionnaires, and multivariate covariance analysis was used to test the research hypotheses. The findings showed successful intelligence training has an effect on the happiness and life expectancy of female students in the third grade of elementary school in district 4 of Isfahan city (p<0.001). Successful intelligence training has an effect on the happiness of students (p<0.001). Successful intelligence training has an effect on the life expectancy of students (p<0.001).