The aims of this research to analyze the factors which influence the training participants effectiveness at the Central Training for Work Training Development (BBPLK) Serang. The population in this research were all graduates of training participants in BBPLK Serang who had worked and those receiving training graduates. The sampling technique used in this study was purposive sampling by taking a total of 158 respondents. Data collection method using field study in form of personal questionnaire. The analytical tool used in this research is multiple linear regression. The results obtained from this research have several findings, first, the educational background has a positive and significant effect on the effectiveness of training program, the second is the training material has a positive and significant effect on the effectiveness of training program, the third is the training curriculum has a positive and significant effect on the effectiveness of training program, the fourth is the training instructor has a positive and significant effect on the effectiveness of training program, and the fifth is the infrastructure has a positive and significant effect on the effectiveness of training progra
