This is the second in a series of four reports describing a study of 1,614 junior high school mathematics and English students and 69 of their teachers that was undertaken to discover the effects of different teaching behaviors on cognitive and affective student outcomes. This booklet deals with instruments used to collect data and includes classroom observation scales, coders' ratings of teachers' methods and practices, coders' high-inference ratings of target students, instructions for administering the student rating form, instructions for teacher ratings of students, and classroom descriptions. (TJ)