The participants of this study were the ninth grade students of selected Boys’ and Girls’ schools in Natore,
Bangladesh. Prior to the implementation of the study, the researcher obtained permission from the District
Education Officer of the Government of the People’s Republic of Bangladesh for conducting the study. Mashinda
High School and Sreepur Adarsha Girls’ High School were approved by the District Education Officer to carry out
this study. A total of 80 full-time students (40 students for experimental group and the other 40 students for control
group) constitute the sample. Each experimental school comprised two sections in which Section -I was represented
as the experimental group while Section -II represented the control group in grade nine mathematics classrooms as
per the directives of the Headmasters of the sample schools. This study took place from the 2nd of February to the
15th of May in 2008.