effect of educational intervention based on the theory of planned behavior on degree of optimism among male high school students

ABSTRACT

Background: When people maintain positive attitudes during life, their beliefs orientation will be highly beneficial to their health. In other words, those who have optimistic expectations report better physical health which is the result of their better psychological compatibility. The present study aimed to investigate the effect of educational intervention based on Theory of Planned Behavior [TPB] on Shirazi male high school students' degree of optimism