This exploratory study was built on research spanning three decades. Petersen, Marco, and Stewart (1982) conducted a major empirical investigation of the efficacy of different equating methods. The studies reported in Dorans (1990) examined how different equating methods performed across samples selected in different ways. Recent population…

Extensive research over the past decade has indicated that there are more boys than girls who are struggling readers, but the degree to which there are more boys remains a point of contention. The focus of this article is to review the various definitions of reading disability, to examine how these different definitions translate into different…

University student loans were introduced in Kenya with the aim of easing the burden of public expenditure in higher education. In the initial years the loans were to benefit all students enrolled at University irrespective of their socio-economic backgrounds. The beneficiaries were expected to repay the loan later upon getting into employment.…

Studies of group differences in intelligence often invite conclusions about groups in general from studies of group differences in selected populations. The same design is used in the study of group differences in other traits as well. Investigators observe samples from two groups (e.g. men and women) in some accessible population, but seek to…

This article discusses the five studies included in this issue. Each article addressed the same topic, population invariance of equating. They all used data from major standardized testing programs, and they all used essentially the same statistics to evaluate their results, namely, the root mean square difference and root expected mean square…

As noted in the Organisation for Economic Co-operation and Development's (OECD's) "PISA 2000 Technical Report" (OECD, 2002), the Austrian sample for the PISA 2000 assessment did not adequately cover students enrolled in combined school and work-based vocational programmes as required by the OECD's technical standards for PISA. The…

In July 2001, the Ministerial Council on Education, Employment, Training and Youth Affairs (MCEETYA) agreed to the development of assessment instruments and key performance measures for reporting on student skills, knowledge and understandings in primary science. It directed the newly established Performance Measurement and Reporting Taskforce…