This report examines theoretical and empirical issues related to the statistical power of impact estimates under clustered regression discontinuity (RD) designs. The theory is grounded in the causal inference and HLM modeling literature, and the empirical work focuses on commonly-used designs in education research to test intervention effects on…

Model-based cluster analysis is a new clustering procedure to investigate population heterogeneity utilizing finite mixture multivariate normal densities. It is an inferentially based, statistically principled procedure that allows comparison of nonnested models using the Bayesian information criterion to compare multiple models and identify the…

In this paper we examine the influence of gender, sibling characteristics and birth order on the schooling attainment of school-age Egyptian children. We use multivariate analysis to simultaneously examine three different schooling outcomes of a child having "no schooling", "less than the desired level of schooling", and an…

Purpose: As they operate in complex schools principals must allocate their attention to numerous responsibilities. This paper seeks to ask three questions: how do principals allocate their attention across major realms of responsibility; to what extent do principals in different contexts emphasize different realms of responsibility; and to what…

This study uses cluster analysis to examine groupings of trainee teachers against dimensions underpinning their values and practice in relation to assessment. Our sample comprised 220 trainees, studying for a Postgraduate Certificate in Education, an initial teacher training and education course, at the University of Cambridge, UK. The survey…

Today's health sciences educational programmes have to deal with a growing and changing amount of knowledge. It is becoming increasingly important for students to be able to use and manage knowledge. We suggest incorporating open-book tests in assessment programmes to meet these changes. This view on the use of open-book tests is discussed and the…

In Australia, general health and medical services are subsidised by the government. This includes care for people with disabilities, screening and diagnostic services for common diseases, including cancer, and care and treatment for various medical conditions. In Western Australia, the majority of state-provided health services are well documented…

The professional plans, satisfaction levels, demographic characteristics, perceptions and motivations of different teacher types distinguished by cluster analysis were investigated among graduate-entry primary and secondary teacher education candidates (N=510) from three Australian universities in an ongoing longitudinal study. Participants…

Student achievement was compared between Washington State middle schools with comprehensive school counseling programs (CSCPs) and those without. Statistically controlling for socioeconomic status, multivariate analyses of covariance revealed minimal differences between students in CSCP and non-CSCP schools. Significant score differences emerged,…

Purpose: The present study examined the extent of genetic and environmental influences on individual differences in children's conversational language use. Method: Behavioral genetic analyses focused on conversational measures and 2 standardized tests from 380 twins (M = 7.13 years) during the 2nd year of the Western Reserve Reading Project (S. A.…

The validity of the Differential Ability Scales (DAS) was assessed among children with attention-deficit/hyperactivity disorder (ADHD) and a matched control sample. The sample included 45 children with ADHD (69% with comorbidity) and 45 controls matched by age, gender, ethnicity, and parental educational level. Multivariate analysis of variance…

Research objective. Electronic Health Records (EHR) are expected to transform the way medicine is delivered with patients/consumers being the intended beneficiaries. However, little is known regarding patient knowledge and attitudes about EHRs. This study examined patient perceptions about EHR. Study design. Surveys were administered following…

The purpose of this study was to investigate the differential classroom structure and efficacy reported by general and special educators at the elementary and secondary level. General and special educators (n = 774, return rate of 37%) from a large school district in the southeast US participated in the study. The participants completed a modified…

A random sample of Canadian foster parents were asked about the importance of culture in fostering. In response to the question "What values, beliefs and traditions were you raised with and feel are important?," a total of 74 different responses were received. These responses were grouped together by foster parents and the groupings…

The mixed method sequential nested study examines whether and how the cognitive type of teachers' content knowledge is associated with student achievement, and correlated with teaching practice. In the context of this study, the "cognitive type" refers to the kind of teacher content knowledge and thinking processes required to accomplish…