Abstract:
The objectives of this research were 1) to study the variables including age, occupation, income, marital status, status in their families, leave of absence study years, educational media, time spending for studying, effectiveness of group participation, attitude, and achievement motivation of lower secondary non-formal education students in non-formal education centers, Bangkok metropolis. 2) to study the relationship among each variable namely age, occupation, income, marital status, family dependent status, leave of absence study years, educational media, time spending for studying, effectiveness of group participation, attitude. And achievement motivation, and the result of study of each basic subject of lower secondary non-formal education students in non-formal education centers. Bangkok metropolis, In this study the survey method was used with closed-end questionnaires as a research tool. Data were gathered from 410 samples and analyzed by using Pearson{7f2019}s product moment correlation coefficientmodel. The results were as follows: The variable effectiveness of group participation was statistically significant at the .01 level and variables attitude, leave of absence study years, occupation, and time spending for studying (statistic from group participation) were statistically significant at the .05 level in there relationship to Thai achievement. The variables occupation, leave of absence study years, marital status, effectiveness of group participation, time spending for studying (statistic from group participation) and educational media (printed media) were statistically significant at the .05 level in there relationship to Mathematics achievement. The variable time spending for studying (statistic from group participation) was statistically significant at the .01 level and variables leave of absence study years, effectiveness of group participation, marital status, and educational media (computer media) were statistically significant at the .05 level in there relationship to Science achievement.The variables marital status and educational media (Human media) were statistically significant at the .01 level and variables effectiveness of group participation, leave of absence study years, attitude, and time spending for studying (statistic from group participation) were statistically significant at the .05 level in there relationship to English achievement.