The concepts studied in this research paper are to examine and compare thre e kinds of improvement-team programs. These improvement-team programs are continuous improvement team (CIT), quality circle (QC), and self-directed work team (SDWT). Each team is various in level of autonomy, training, and task content which lead to different level of decision-making power, skill attainment, and skill use permitted with program. The author used the cognitive model of participation to describe the way to increase the productivity. They have chosen eight semiconductor manufacturing site as samples. The measurements that the author used to measure the performance output are qualitative data and quantitative data. Quantitative analysis of performance showed the contrast result with the assumption that SWDT should perform most productive. Qualitative analysis of performance showed the result that the poor implementation and failure to integrate production program with engineering department hindered the success of program and the quantitative performance. The author commended in the last past that some features, such as voluntary versus mandatory participation and temporary versus permanent team duration also limited this study. Furthermore, they cannot determine if the nature of membership is driving the results more than autonomy, training, and task variables.
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