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The purposes of this research were to study and compare learning happiness of Lower Secondary Students Under The Secondary Educational Service Area Office 25 : Teach Less Learn More Project divided by gender and school size. Samples were 354 students from totally 4,436 students selected by stratified random sampling. The instrument used in this research was a Learning Happiness questionnaire with 5 rating scales. The index of congruence was 0.60-1.00, and reliability was 0.86. The data were analyzed by mean and standard deviation, t-test for independent samples, and one-way analysis of variance: ANOVA.
The findings were as follows:
1) Learning happiness of lower secondary students under the Secondary Educational Service Area Office 25 : Teach Less Learn More Project was at high level.
2) Learning happiness between male and female of lower secondary students under the Secondary Educational Service Area Office 25 : Teach Less Learn More Project was not different. Considering the positive attitude towards learning, the difference was statistically significant at 0.05.
3) Learning happiness of lower secondary students under the Secondary Educational Service Area Office 25 : Teach Less Learn More Project from different school size were not different. Considering the relaxation, the difference was statistically significant at 0.05.
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