According to Richard D. Kahlenber , both teachers and students spend most of their time studying the textbook concepts to prepare for exams .
Teachers who want to raise test scores , contrarily , must promote deep conceptual understanding of the subject matter .
According to Richard D. Kahlenber , both teachers and students spend most of Teachers ' time studying the textbook concepts to prepare for exams .
Teachers who want to raise test scores , contrarily , must promote deep conceptual understanding of the subject matter .