SUMMARY
Permasalahan penelitian ini adalah rendahnya rerata prestasi belajar peserta didik kelas X SMA Negeri 1Bangsri Jepara pada mata pelajaran Ekonomi materi konsumsi dan investasi tahun pelajaran 2009/2010dan 2010/2011. Tujuan penelitian untuk: (1) menghasilkan perangkat pembelajaran berbasis humanistikmodel kooperatif Two Stay Two Stray (TSTS); (2) mengukur efektivitas pembelajaran berbasis humanistikmodel kooperatif TSTS pada materi kosumsi dan investasi. Metode yang digunakan adalah penelitianpengembangan dengan tahap-tahap define, design, dan develop. Perangkat pembelajaran yang dikembang-kan adalah silabus, RPP, buku pegangan peserta didik, LKPD, dan TPB. Subyek penelitian adalah pesertadidik kelas X SMA N 1 Bangsri Jepara tahun pelajaran 2011/2012. Hasil penelitian menunjukan (1) sete-lah melalui proses validasi dan revisi diperoleh perangkat pembelajaran berupa silabus dengan rerata skor89,63%, RPP dengan rerata skor 91,52%, buku pegangan peserta didik dengan rerata skor 94,76% , LKPDdengan rerata skor 95,00%, TPB dengan rerata skor 88,54%. Semua skor tersebut termasuk kriteria valid;(2) proses pembelajaran ekonomi humanistik dengan model TSTS pada materi konsumsi dan investasiefektif. Efektifitas ditandai dengan a) tingginya aktivitas (66,67), afektif (74,31), dan kreativitas (73,85), b)tercapainya KKM prestasi belajar peserta didik dengan rata-rata 85,28, c) ada peningkatan prestasi belajar,d) rerata prestasi belajar kelas eksperimen (85,28) lebih baik secara signifikan daripada prestasi belajar kelaskontrol (76,25). Berdasarkan hasil tersebut dapat dinyatakan bahwa pengembangan perangkat pembelaja-ran yang efektif menunjukkan tercapai.The problem of the research is the poor learning outcome of students in grade X SMA Negeri 1 Bangsri-Jepara onconsumption and investation material in academic year 2009/2010 and 2010/2011. The objectives of this research areto: (1) produce a valid instrument of humanistic based learning on cooperative TSTS; (2) measure the ef fectiveness of humanistic based learning on cooperative model TSTS for consumption and investation material. The type of researchused was Research and Development with modification of model 4-D (becomes 3-D) following these steps: Define, Designand Develop. The types of developed learning instrument were syllabus, lesson plan, module, LKPD, TPB. The subjectof the research was students of X grade SMA Negeri 1 Bangsri-Jepara in academic year 2011/2012. This research canbe a benefit for teachers as it provides an alternative for innovative teaching that optimizes the stundents activity as wellas achievement.The results indicated that (1) after a validation and revision process, learning instrument was developedin the form of syllabus with average score 89/63%, lesson plan: 91.52%, students module: 94.76%, LKPD: 95.00%,TPB: 88.54%; thus the scores were categorized as valid. (2) The learning process of economy using humanistic approachwith model TSTS on consumption and investation material was proven effective. The effectiveness was indicated by:a) intensity of activity (66.67), affective (74.31), and creativity (73.85); b) the achievement of students with average85.28 and the result of sample t-test with p = 0.000. c) There was an improvemenet in students achievement proven bythe paired sample t-test with p = 0.0000. (d) The average in experimental group was (85.28) significantly better thanthe achievement of controlled group: (76.25) and the result of independent sample test were obtained p = 0.001. Theeffectiveness and validity of this learning instrument show that the objectives of research and development were achieved.