Activity Rating c'xhedule; Teacher Child Dyadic

interaction System (Brophy) The issues discussed in these four papers concern the validity and generalizability of classroom observation instruments. These issues have been studied and are reported here in an attempt to better define the limits to which classroom observation instruments can be used in researching relationships between teacher behavior and student outcome. The premise undergirding tilese investigations is that before consistent and positive process-product 7elationships can be found, investigators must be cognizant of the so-Arces of variance which affect the validity and generalizability of their process measures and which, in turn, affect the credibility of their research findings. The four papers are: "Convergent and Discriminant Validity of Five Classroom Observation Systems: Testing the Model " by G