Evaluations of special education interventions are different from research on medical interventions. Educational evaluations would be more useful if they applied an actuarial, or probability approach. Information should be collected over time and using various measures, thus increasing the available data. (GDC)

The achievement of Nigerian elementary students instructed in the native language, Yoruba was compared to achievement of students taught in Yoruba and then in English. When a new curriculum was developed, these additional variables influenced the research design. The roles of research and evaluation in educational innovation are also discussed.…

Revolutionary developments in collecting and analyzing data for use in improving curriculum and instruction at the local level are now possible with the advent of low-cost computers. The basic purposes and approaches of assessment methodologies must be refocused for local application. (LMO)

Further development of research regarding the effectiveness of parent education programs depends upon a shift in conventional strategies of program evaluation. Current evaluation methods have been dominated by an interest in the outcomes of parent education programs. It is suggested that program evaluations should examine relationships between…

Point of entry problems are faced by evaluators when asked to start an evaluation at an inappropriate time or to perform an inappropriate study. The fundamental purpose of evaluation is to help improve services. Guidelines are presented for choosing when to do a context, input, process, or product evaluation. (GDC)