This article reports the results of a descriptive analysis of team teaching
in two classrooms. The study employed a relatively new approach to field-b
ased research, referred to as formative experiments, to conduct formative a
nd summative evaluation procedures. Results of quantitative and qualitative
analyses to assess student outcomes, teaching procedures, and teacher impr
essions are presented. Descriptive information regarding planning time, typ
e of instructional format of team teaching, student groupings, and follow-u
p evaluation time was obtained through weekly teacher logs. Focus groups an
d written teacher comments provided information regarding teacher satisfact
ion of the team-teaching experience. Performance of typical students and st
udents with learning disabilities on curriculum-based assessment measures g
iven pre- and post team teaching suggest academic gains in reading and spel
ling for all students. The results of this study are discussed, and recomme
ndations for further research are given.