The purposes of this research were 1) to develop the online lessons in computer subjects of grade 7 students for cooperative learning management by team game tournament techniques, 2) to evaluate the quality of the online lessons in computer subjects of grade 7 students, 3) to find the effectiveness of the online lessons in computer subjects of grade 7 students together with cooperative learning management by team game tournament techniques, 4) to compare the learning achievement of the students before and after learning with online lessons in computer subjects together with cooperative learning management by team game tournament techniques, and 5) to find the satisfaction of students on the online lessons in computer subjects of grade 7 students together with cooperative learning management by team game tournament techniques. The sample group used in this research was 28 students of grade 7 students at Tessaban 2 Wat Saneha (Samakpolphadung) School. The purposive sampling technique was used. The instruments used in this research were the online lessons in computer subjects, the assessment form of the content, the assessment form of the techniques and methodology, the learning achievement test, and the assessment form of student satisfaction. The data were analyzed using mean, standard deviation, and dependent t–test.
The research findings showed that 1) the online lessons in computer subjects included 3 units; data and information, information processing, and software and selection, 2) the opinion of the content experts and the opinion of the technique and methodology experts on the online lessons were at the highest level, 3) the effectiveness of the online lessons in computer subjects together with cooperative learning management by team game tournament techniques had efficiency corresponded with criteria of Meguigans was 1.45, 4) the students who studied with the online lessons together with cooperative learning management by team game tournament techniques had post-test scores higher than pre-test scores at .05 significance level, and 5) the students' satisfaction with the online lessons together with cooperative learning management by team game tournament techniques was at the highest level.