Research sample
Participants in this study were high school students from Bayankhongor province and Ulaanbaatar Mongolia, are shown in the table.
![Participants in this study were high school students from Bayankhongor province and Ulaanbaatar Mongolia, are shown in the table.](https://beta.geogebra.org/resource/cSH6bfpJ/slqdNfVs435ZUX4M/material-cSH6bfpJ.png)
At the start of the study, the students in each class randomly grouped the various abilities of the elementary, middle, and high. From these four classes, the two classes were chosen experimentally and others were chosen as controls.