The purpose of the study was to identify strategies used by preservice elementary teachers to index distributions of data. A secondary purpose of the study was to investigate whether representational form influenced the type of representative values constructed. Two hundred eighty-three preservice teachers were administered a selection of tasks…

A sample of 134 sixth-grade students who were using the Connected Mathematics curriculum were administered an open-ended item entitled, Vet Club (Balanced Assessment, 2000). This paper explores the role of misconceptions and naive conceptions in the acquisition of statistical thinking for middle grades students. Students exhibited misconceptions…

New data on noncredit course offerings at colleges and universities help to generate a statistical portrait of these increasingly important programs.

A one-week experiment that was designed for providing students in an analytical chemistry laboratory course with an experience in statistical treatment of data is described. This laboratory experience benefited the students in several areas as they gained familiarity with many analytical glassware that they had not seen or used before, the…

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…

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…

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…

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,…

Engineering has played an important role in Scotland's industrial history. Over the years, the skills requirements of industry have changed as the technology has progressed and the industrial base of the country has developed. Over the past decade, there have been substantial changes in the employment opportunities for people with engineering…

This article examines the sociocognitive processes contributing to intention to use contraception and willingness to engage in unsafe sex, using extended versions of the theory of planned behavior (TPB) and the Prototype/Willingness model (Gibbons & Gerrard, 1995, 1997). Data were obtained from a questionnaire delivered to all the pupils in…