The reliability of coding problems associated with observation studies is discussed. The purpose is two-fold: a) to examine coding reliability by applying the profile method to two coding occasions separated by a lengthy time interval with the object of determining both within-occasion reliability (agreement) and between-occasion reliability…

Written to assist future researchers in conducting cross-national studies of classroom behaviors, this study indicates a number of factors which may reduce the validity of comparisons made. It is based on an investigation which explored the feasibility of using the Activities Categories Instrument and the Flanders Interaction Analysis Categories…