A controlled outpatient study of 19 hyperactive boys (aged 4-10 years) of normal intelligence examined the effects of placebo and two different drugs on the boys' playroom behavior. (Author/NH)

A college supervisor describes her observations in an Italian Montessori school, where she filmed the children, and suggests that student teachers film their classes as an aid to observation. (SP)

Study found that stimulus presence during a delay of reinforcement interval enhanced performance, and to a large extent prevented the usual delay-produced decrement. (Authors)

Author suggests that in the classroom situation the teacher's perception of his pupils is of greater importance than the pupils' social class. (Author/MB)

Describes the equipment used in one child observation situation and the observers reactions to the arrangement. (Editor)

Results indicate that there is no simple relationship between type of observer present and children's aggressive responding following exposure to an aggressive model. (Authors)

Analysis of 18,528 classroom observations attempting to identify factors in the classroom that affect learning experiences of children. (RA)

A review of Analyzing Teaching Behavior," Addison-Wesley Press, 1970, by Ned A. Flanders. (DB)

Discusses problems of using observation techniques in hope of instigating a more general re-examination of the potentialities of observation as an instrument of educational research. (Author)