Penelitian ini dilatarbelakangi oleh pembelajaran Bahasa Indonesia minat dan motivasi siswa sangat kurang, terutama pada aspek berbicara. Hal itu ditunjukkan ketuntasan belajar siswa kelas V SD Supriyadi semarang yang kurang maksimal, KKM (Kriteria Ketuntasan Minimal) yaitu 75. Rumusan masalahnya adalah apakah model pembelajaran think pair share efektif terhadap hasil belajar Bahasa Indonesia kelas V SD Supriyadi Semarang? Hipotesis penelitian yaitu model think pair share efektif terhadap hasil belajar Bahasa Indonesia siswa kelas V SD Supriyadi Semarang. Tujuan penelitian adalah mengetahui keefektifan model pembelajaran think pair share terhadap hasil belajar Bahasa Indonesia siswa kelas V SD Supriyadi Semarang. Jenis penelitian ini adalah kuantitatif. Metode penelitian eksperimen. Desain penelitian berbentuk  the static group comparison: randomized control-group only design. Populasi penelitian adalah siswa SD Supriyadi Semarang, sampelnya seluruh siswa kelas V dan teknik sampling yang digunakan berupa purposive. Teknik analisis data yang digunakan adalah uji persyaratan data yaitu uji normalitas menggunakan uji Liliefors dan uji hipotesis menggunakan two sample t-test. Hasil analisis statistik dengan uji-t diperoleh 3,0279 dan dengan taraf signifikansi 5% sebesar 1,9883, sehingga dan ditolak. Jadi, disimpulkan bahwa model pembelajaran think pair share efektif terhadap hasil belajar siswa kelas V SD Supriyadi Semarang.  Saran yang dapat peneliti sampaikan kepada guru sekolah dasar Guru harus mengembangkan dirinya dengan cara menyesuaikan perkembangan zaman agar dapat memaksimalkan potensi yang dimiliki oleh siswa. Tidak ada salahnya mencoba variasi untuk memberikan metode pembelajaran, misalkan model pembelajaran think pair share untuk menyampaikan materi.

Kata kunci: Keefektifan, Think Pair Share.

This research is motivated by the learning of Indonesian interest and motivation of students is very less, especially on the aspect of speaking. It was shown mastery of students learning V grade Supriyadi Semarang less than the maximum, KKM (Criteria Completed Minimum) is 75. The formulation of the problem is whether the model of learning think pair share effective against the results of learning Indonesian class V SD Supriyadi Semarang? The research hypothesis is the model of think pair share effective on the learning outcomes of Indonesian students of class V SD Supriyadi Semarang. The purpose of this research is to know the effectiveness of the model of think pair share to the learning result of Indonesian student of class V SD Supriyadi Semarang. This type of research is quantitative. Methods of experimental research. The research design is in the form of static group comparison: randomized control-group only design. The population of the research is the students of SD Supriyadi Semarang, the samples are all students of class V and the sampling technique used is purposive. Data analysis technique used is test data requirement that is normality test using Liliefors test and hypothesis test using two sample t-test. The results of statistical analysis with t-test obtained t_hitung = 3.0279 and t_tabel with 5% significance level of 1.9883, so t_hitung> t_tabel and H_0 rejected. So, it is concluded that the learning model of think pair share is effective toward the result of V grade students of SD Supriyadi Semarang. Suggestions that researchers can convey to primary school teachers Master must develop himself by adjusting the development of the times in order to maximize the potential possessed by students. There is no harm in trying variations to provide a method of learning, for example think pair share model to deliver the material.

Keywords: Effectiveness, Think Pair Share