Riset terdahulu atau riset yang relevan sangat penting dalam suatu riset atau artikel ilmiah. Riset terdahulu atau riset yang relevan berfungsi untuk memperkuat teori dan penomena hubungan atau pengaruh antar variable. Artikel ini mereview pengaruh harga, promosi dan brand image terhadap keputusan pembelian, suatu studi literatur Strategic Marketing Management. Tujuan penulisan artikel ini guna membangun hipotesis pengaruh antar variabel untuk digunakan pada riset selanjutnya. Hasil artikel literature review ini adalah: 1) harga berpengaruh terhadap keputusan pembelian; 2) promosi berpengaruh terhadap keputusan pembelian; dan 3) brand image berpengaruh terhadap keputusan pembelian.
This research focuses on pedagogical competence of English teachers’. This research aims to find out pedagogical competence of English teachers in teaching English at SMP Negeri 13 Palu. Data collection techniques used were questionnaire, interview and observation. The observation was used to find out the students perception on the teacher's pedagogical competence in teaching English. The interview was used to determine the pedagogic competence of teachers in teaching English. The observation was also used to see the process of teaching English in the classroom. The result of questionnaire showed that students’ perceive on English teachers’ when teaching English were very good pedagogical competence in mastering the characteristics of students, ability to develop curriculum/syllabus, developing students potential and evaluation of learning outcomes. The results of interviews with four English teachers showed that there were some difficulties in learning they are in the use of technology and developing the potential of students. The results of the observations show that the pedagogic competence of four English teachers in teaching English is in the good. In general, the pedagogical competence of the English teacher at SMP Negeri 13 Palu is generally in good criteria.
Dalam penelitian ini, kadar pati tiga jenis daun diukur dengan menggunakan studi deskriptif. Pada penelitian ini digunakan metode uji kadar amilum menggunakan kertas aluminium berbantuan betadine guna mengetahui ada tidaknya kadar amilum pada ketiga jenis daun. Hasilnya, ditemukan bahwa bagian daun suruhan (Peperomia pellucida), daun kelor (Moringa oleifera), dan daun kitolod (Hippobroma longiflora) tanpa aluminium foil lebih gelap dibandingkan dengan aluminium foil. Hal ini menunjukkan bahwa bagian daun tanpa dilapisi aluminium foil mengalami proses fotosintesis yang pada akhirnya dimanfaatkan oleh tanaman guna memproduksi amilum sebagai penyimpan makanan pada tumbuhan.
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