การส่งเสริมการคัดแยกขยะมูลฝอยเพื่อรักษาสิ่งแวดล้อม สำหรับนักเรียนโรงเรียนเทศบาลบ้านแมด ตำบลตลาด อำเภอเมือง จังหวัดมหาสารคาม
Keywords:
A promotion, Waste segregation, knowledge, attitudeAbstract
The purpose of this research were to activity a promotion of garbage separation, to study the
environment and compare the knowledge and opinion to garbage separation to environmental protection
in Thetsaban Banmad school, talat sub-district, Muang district, Mahasarakham province. The sample
consisted of 30 students in Tadsaban Banmad school being selected by purposive sampling. The
instruments used in this research were guidebook, brochure, Knowledge questionnaire and opinion
measures. The statistics used to data analysis were percentage, mean, standard deviation, and statistical
comparison of paired t-test. The result showed that before the promotion, the students had mean of
knowledge score at moderate level ( = 10.43), after the promotion, the students had mean of
knowledge score at high level ( =14.10), before the promotion, the students had mean of opinion score
at uncertainty level ( =2.14), after the promotion, the students had mean of opinion score at agree
level ( =2.82). When compared the average scores of knowledge and opinion found that the students
had knowledge and opinion more than before the promotion was statistically significant at .05 level. It
showed that the students had the knowledge and opinion increased more than before the promotion.

