Therefore, decision-makers must consider the causes of students, especially in the development of curricula, the choice of instruction activities must combine the needs of students. Merryfield (1998) believes that the personality of the students, especially the unique social characteristics of the students, the characteristics of the students, the characteristics of the students, the characteristics of the students, the background of life and energy and causes others to influence the decision-makers of the students. Teachers are instructed at the design stage, whether it teaches target setting, or the selected instruction content must be consistent with the student's physical and mental development level.