those teacher whose pupils consistently showed gains in achievement were studied through many hours of careful classroom observation as well as through individual interviews.
Guru-murid yang secara konsisten menunjukkan keuntungan dalam pencapaian dipelajari melalui banyak jam observasi kelas yang hati-hati juga melalui wawancara individu.
guru mereka yang secara konsisten menunjukkan murid keuntungan dalam prestasi dipelajari melalui banyak jam observasi kelas-hati serta melalui wawancara individu.