Model Problem Based Learning telah banyak digunakan sebagai solusi dalam meningkatkan kemampuan berpikir kritis. Namun, belum ada penelitian lanjutan yang melakukan verifikasi terhadap efektivitas hasil penerapan model Problem Based Learning. Penelitian ini bertujuan untuk menganalisis kembali keefektifan model pembelajaran Problem Based Learning terhadap kemampuan berpikir kritis siswa pada pelajaran Matematika khususnya pada siswa sekolah dasar. Metode yang digunakan dalam penelitian ini adalah meta-analisis secara analisis deskriptif kualitatif, yaitu dengan menganalisis kembali artikel dari hasil penelitian yang telah dipublikasikan dengan sampel sebanyak 20 artikel nasional dan dapat diakses secara online melalui Google Scholar atau Google Cendekia. Hasil dari penelitian meta-analisis ini menunjukkan bahwa model pembelajaran Problem Based Learning sangat berpengaruh dalam meningkatkan kemampuan berpikir kritis siswa pada pelajaran matematika sekolah dasar dengan presentase terendah 1,16% hingga yang tertinggi 40,35% dengan rata rata 20,70%. Berdasarkan hasil analisis, secara keseluruhan rata-rata pengaruh yang terdapat pada model pembelajaran Problem Based Learning sebesar 1,21. Sehingga dapat disimpulkan bahwa model Problem Based Learning efektif dalam meningkatkan kemampuan berpikir kritis siswa pada mata pelajaran matematika.
Adolescents experience abrupt physical and psychological changes. These changes impacted adolescent behavior and the way adolescents respond to their environment. If parents do not understand the changes that occur in their adolescents, parents can experience difficulties in applying their parenting and eventually will impact the quality of the parent-child relationship. Parents need to be educated to understand the characteristics of adolescent development. Therefore, an Online workshop that aims to provide an understanding of the characteristics of adolescent development was conducted. The participant of this online workshop are parents who have adolescents. They were 26 parents aged 35-44 years (average 40.13 years) which were dominated by mothers (92.31%). This three-hour program used the online-zoom platform. It consists of lectures, question and answers session, small group discussions, and making an action plan to be implemented in relation to their adolescents. The results of the reaction evaluation showed that the participants perceived the program as interesting, fun, and useful. The material presented is considered good and applicable in accordance with the conditions of youth and the environment.
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