With the purpose of obtaining relevant data about the curriculum, classroom, teacher, and peer effects on individual Head Start children, this project plans to have trained observers spend several hours in the classroom (1) attending to and recording the total functions of the class and (2) attending to and recording the behavior of individual…

The 99 observation systems described in this anthology describe measurable categories of behavior, rather than global concepts. These systems function as a meta-language--a language for describing communication. Each represents one or more of seven major categories: affective, cognitive, nonverbal, activity, content, sociological structure, and…