This booklet, one in a series entitled "What Research Says to the Teacher," deals with guided study and homework. The first section discusses the general topic of supervised and guided study; study methods and the psychology of learning are examined as are related factors. Section two takes up the topic of study at home: objectives of homework, present practices, problems associated with homework, effect of homework on scholastic success, effect of distraction, conditions conducive to home study, and homework policy modification. (JB)