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Simeonsson, Rune J. – Analysis and Intervention in Developmental Disabilities, 1985
The author analyzes evidence from 10 studies on early intervention (EC 181 136--181 145) in terms of the nature and quality of documentation. Qualified support for casual inference in most of the studies is cited along with problems in determining generalizability of findings. (CL)
Descriptors: Disabilities, Generalization, Infants, Intervention

Dunn, Dennis J. – Rehabilitation Counseling Bulletin, 1987
Contends that success of supported employment service programs depends on the ability of new programs to replicate results of supported work demonstration projects. Notes that the capacity to verify accurate replication independently is limited, as is knowledge of the extent to which supported employment demonstration programs generalize to a wide…
Descriptors: Demonstration Programs, Disabilities, Generalization, Program Design

Sarkin, Andrew J.; Tally, Steven R.; Cronan, Terry A.; Matt, Georg E.; Lyons, Heather W. – Evaluation and Program Planning, 1997
A strategy proposed by T. Cook and D. Campbell (1979) was used to investigate attrition in a community-based literacy program, focusing on 287 Head Start families. Data revealed interactions among intervention program-centered characteristics and person-centered characteristics that have implications for study validity and generalizability.…
Descriptors: Attrition (Research Studies), Community Programs, Dropouts, Generalization

Woodhead, Martin – Oxford Review of Education, 1985
British and U.S. preschool intervention projects are now reporting dramatic long-term follow-up findings that appear to vindicate the claim that preschool can serve as an "innoculation against failure," especially with disadvantaged children. However, important questions remain about the generalizability of these effects in other…
Descriptors: Comparative Education, Disadvantaged, Educational Research, Foreign Countries