A new test index is defined as the probability of obtaining two randomly selected test scores (PDTS) as statistically different. After giving a concept definition of the test index, two simulation studies are presented. The first analyzes the influence of the distribution of test scores, test reliability, and sample size on PDTS within classical…

This study uses the context of the weather to explore the development of students' intuitive ideas of variation from pre-Grade 1 to Grade 9. Three aspects of understanding these intuitions associated with variation are explored in individual videotaped interviews with 73 students: explanations, suggestions of data, and graphing. The development of…

This article focuses on the use of statistics in policy and evaluation research and the need to present statistical information in a form that is meaningful to mixed audiences. Three guidelines for formulating and presenting meaningful statistics are outlined. Understandability ensures that knowledge of statistical methods is not required for…

We consider the question of how variation in the number and reliability of indicators affects the power to reject the hypothesis that the regression coefficients are zero in latent linear regression analysis. We show that power remains constant as long as the coefficient of determination remains unchanged. Any increase in the number of indicators…

The number of Hispanic students in the nation's public schools nearly doubled from 1990 to 2006, accounting for 60% of the total growth in public school enrollments over that period. Strong growth in Hispanic enrollment is expected to continue for decades, according to population projection by the U.S. Census Bureau. Using data from the 2006…

This article describes an action research at an alternative high school which explores drop-out prevention strategies with first-year students. Student retention is extremely challenging for alternative schools. Because their mission is to provide a second chance to students who could not succeed in a regular setting, those schools regularly must…

Language choice is often studied as choices made by the state at the level of national language planning or as individual choice of language or variety in language use. There has been little research to directly connect these two aspects of language choice. This paper attempts to incorporate the two aspects and other related phenomena in a…

Purpose: The study describes Oregon state policy and supply developments for licensed long-term-care settings, particularly apartment-style assisted living facilities and more traditional residential care facilities. Design and Methods: Data came from a variety of sources, including state agency administrative records, other secondary data…

This paper presents the activities of the Universal Service Administrative Company (USAC) for 2009. The past year was one of accomplishment for USAC. USAC implemented a host of advances in operations, infrastructure, and outreach in an effort to continue to improve collection and disbursement of the Universal Service Fund (USF) support and to…

It is possible that human capital produces positive externalities to the society indirectly, through non-market channels such as health or crime. Another such channel could be the effect of education on the functioning of democratic decision-making. Measures of the functioning of democracy are bound to be controversial, but one such measure--voter…

This study explores the available cross-national data and national policies on early childhood education and care (later--ECEC) in Europe. Early childhood education and care in this study refers to publicly subsidised and accredited provision for children under compulsory school age. "Education" and "care" are combined in the…

A rapidly changing global economy, shifting demographics, and concerns about our ability to maintain a competitive workforce have focused national attention on the educational systems of America's states, highlighting their critical role in ensuring a productive and creative future for our country. As a result, Americas colleges and universities…

The Head Start Family and Child Experiences Survey (FACES) was first launched in 1997 as a periodic longitudinal study of program performance. Successive nationally representative samples of Head Start children, their families, classrooms, and programs provide descriptive information on the population served; staff qualifications, credentials,…

This article examines the intersection of age and ICT (information and communication technology) competency and critiques the "digital natives versus digital immigrants" argument proposed by Prensky (2001a, 2001b). Quantitative analysis was applied to a statistical data set collected in the context of a study with over 2,000 pre-service…

This document presents the proceedings of the National Disability Statistics and Policy Forum. Preliminary material includes an introduction (Mitchell P. LaPlante) and highlights of each presentation. Presentations are then grouped by session. Session titles and presenters were: (1) "Trends in Disability Prevalence" (Mitch LaPlante, Vicki…