University of Bojnord
University of Bojnord
the method was the correlational way. The statistical population of the was all of the boy students of the second-period elementary school in Garmeh city (Iran). the sample size was 278. The age of participants was in the range of 9 to13 years old.
Inclusion Criteria:
be the male student, having the age of 9 to 13 years, having the ability of reading and writing
Exclusion Criteria: