THE EFFECT GROUP INVESTIGATION METHOD ON LANGUAGE LEARNING OUTCOMES

The purpose of this study was to determine the effect using group investigation method on second language learning outcomes (L2) in third grade students SD Muhammadiyah 4 Tangerang City. used a quasi-experimental by conducting pretest and posttest two groups. This type experimental research uses nonequivalent control design, where class is treated not treated. design almost same as designs, only groups are chosen randomly. Data collection techniques tests. data analysis technique started from normality test, homogeneity continued with hypothesis testing. data, calculations test can be that t count 13.31 table dk = 58. Therefore, price 1.67 means null (H0) rejected alternative (H1) accepted. Based above, it concluded that: there significant who use cooperative compared conventional methods. Second higher method, said has an students' outcomes.