The paper reviews the methodology of quantitative documentation of the progress of handicapped, delayed, and at risk infants in early intervention programs. The authors discuss design and analysis issues, concluding that the use of several designs and analytic techniques provides useful exploration of hypotheses in early intervention programs.…

Three studies involving elementary students examined methodological issues in curriculum-based reading assessment. Results indicated that (1) whereas sample duration did not affect concurrent validity, increasing duration reduced performance instability and increased performance slopes and (2) domain size was related inversely to performance slope…

This paper discusses developments in special education classroom observational assessment. Conceptual advances include increased focus on assessment with practical value for teaching and benefits gained from merging classroom instructional factors with behavior. Methodological advances include development of ecobehavioral observation protocols and…