Penelitian ini bertujuan untuk mengetahui apakah terdapat perbedaan efektivitas penerapan model pembelajaran Two Stay Two Stray dan Problem Based Learning terhadap pencapaian hasil belajar Tema 8 Kelas 4 SD Negeri Blotongan 02 dan SD Negeri Sidorejo Lor 05 Gugus Diponegoro, kecamatan Sidorejo, Kota Salatiga. Penelitian ini termasuk dalam penelitian eksperimental semu yang menggunakan pendekatan non-equivalent control group design. Dalam menganalisis data dilaksanakan uji beda melalui Independent Sampel T-Test. Hasil uji beda menunjukkan nilai signifikansi (2-tailed) post-test hasil belajar peserta didik sebesar 0,000 lebih kecil dari 0,005 (0,000<0,005) sehingga disimpulkan bahwa terdapat perbedaan efektivitas yang signifikan antara model pembelajaran Two Stay Two Stray dan Problem Based Learning terhadap pencapain hasil belajar peserta didik pada Tema 8 Kelas 4 SD. Nilai rata-rata post-test hasil belajar kelas eksperimen  lebih besar dibandingkan dengan kelas kontrol sehingga dapat disimpulkan bahwa model pembelajaran Two Stay Two Stray lebih efektif dibandingkan model pembelajaran Problem Based Learning.

The audit quality becomes important in the realization of good corporate governance. There are several things that affect audit quality, namely the size of public accounting firm (KAP), specialist auditors, audit tenure, and so on. This study examines the influence of KAP size and specialist auditors on audit quality in banking companies in Indonesia. Furthermore, this study has a novelty on the use of audit committee variables as a moderating variable. The sample of this study is the audit report of banking company listed on the Indonesian Stock Exchange (IDX) in 2014-2018. Furthermore, the data analysis method uses MRA test with SPSS 21. The result of this study indicate that auditor specialization has a negative effect on audit quality. Whereas, the size of the KAP has no effect on audit quality. Furthermore, there is a significant influence between KAP size on audit quality that is moderated by the audit committee. However, the audit committee cannot moderate the relationship of the influence of auditor specialization on audit quality. This research contributes to the scientific literature related to audit quality.