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This research is focused on Development of Circuit Based Learning Model To Increase the ability of volleyball smash technique at Faculty of Sport Science, Medan State University. Research and development (R & D) is a strategy or research method is quite powerful. The research and development model is a process used develop and validate educational product. The research and development (R & D) approach in education includes ten steps. The chart of the steps of this study can be shown in the following figure: 1) Research and Information Collection. 2) Planing.3) DevelopPreliminary from of product. 4) Preliminary field testing. 5) Operational field testing. 6) Operation product revision. 7) Main field testing. 8) Main product revision. 9) Product Revision. 10) DisseminationAndimplementation. Research method used is research and development method. Based on the data obtained from the results of field trials drawn the following conclusions: (a) Development of learning models of circuitbased volleyball smash has met the operational criteria of a learning model that is: syntax contained in the social system, prinsip reaction, support system and accompanist. b). Result of Development of learning model of circuit based volleyball smash has fulfilled the requirement of validity, homogeneity, normality, effectiveness and model of circuit based development has been able to improve student learning outcomes of regular PJKR Faculty of Sport Science Medan State University. (3) From the experiment, volley based on the learning factor that the experiment group of postest (new model) and the pre-experiment group (old model) smash volley ball of the experimental postest group is the lowest score of 12 and the highest 16, whereas in the pretest experiment group, and the highest score 15.

proceedings of the proceedings of the 5th annual international seminar on trends in science and science education, aistsse 2018, 18-19 october 2018, medan, indonesia

Improving Skills Smash Ball With R & D in Faculty of Sport Science Medan State University