Two types of problems supposedly associated with the use of randomization tests for single-subject experiments have been discussed: the random introduction of treatments and the repeated alternation of treatments. Ways to reduce the adverse effects associated with these problems are presented. (See TM 505 799-800). (Author/JKS) (Author/JKS)

Problems associated with randomization tests in single- case experiments are discussed. This article follows a discussion of randomization tests in single case studies in the same issue of this journal. (See TM 505 799; 505 801).(Author/JKS)

Methods for selecting relevant and appropriate quasi-experimental studies for inclusion in research synthesis using the threats-to-validity approach are presented. Effects of including and excluding studies are evaluated. (BS)

Problems with the scope, validity, and accuracy of statistical data on Puerto Ricans have led to difficulties in research on that population. This situation has contributed to the restricted access of Puerto Ricans to government-sponsored programs and to public services, such as education, that are necessary for social equality. (Author/GC)

Incorporating statistical process control (SPC) methods into applied behavior analysis is discussed. It is claimed that SPC methods would likely reduce applied behavior analysts' intimate contacts with problems and would likely yield poor treatment and research decisions. Cases and data presented by Pfadt and Wheeler (1995) are cited as examples.…

An examination was made of Federal program statistics on vocational education during the past 10 years by the Bureau of Occupational and Adult Education of the U. S. Office of Education and the National Center for Education Statistics of the U. S. Department of Education. The study found that despite a mandate for reform, the National Center's…

A chronicle of the problems faced in an attempt to collect data on sociology curriculum trends in California's community college system is presented. The project was initiated in an effort to determine if other colleges in the system were experiencing the same difficulties with curriculum and enrollment in sociology courses being encountered by…

In 11 chapters with 54 data tables and 29 diagrams, the author discusses the theory, problems, and uses of educational indicators. He defines educational indicators as characteristics that point, with more or less exactness, to general or overall aspects of an educational system. Chapter 1 examines the concept of an educational indicator and the…