This paper discusses the challenges and lessons learned from conducting observations to measure the quality of classroom practice for a large-scale study of elementary teachers' mathematics instruction. Specifically, this paper shares our process for obtaining valid data for quality of elementary mathematics instruction; what we learned can inform…

Objective: Although health professionals increasingly are expected to be able to assess and manage patients' risk for suicide, few methods are available to evaluate this competency. This report describes development of a competency-assessment instrument for suicide risk-assessment (CAI-S), and evaluates its use in an objective structured clinical…

This guide is designed to help researchers make sure that their research reports include enough information about study measures so that readers can assess the quality of the study's methods and results. The guide also provides examples of write-ups about measures and suggests resources for learning more about these topics. The guide assumes…

The Organisation for Economic Cooperation and Development's (OECD's) Programme for International Student Assessment (PISA) surveys, which take place every three years, have been designed to collect information about 15-year-old students in participating countries. PISA examines how well students are prepared to meet the challenges of the future,…

This large-scale field experiment examined the potential of various training and supervision programs to affect the performance of health survey interviewers and the quality of data they collect. It was found that interviewers who received less than one day of basic training generally displayed inadequate interviewing skills. A program of tape…

Investigated the relationship between Chinese character recognition and production by second-language learners. Subjects were 47 first-year Chinese language students in the United States. (15 references) (Author/CK)

Statistical thinking is required for good statistical analysis. Among other things, statistical thinking involves identifying sources of variation. Students in introductory statistics courses seldom recognize that one of the largest sources of variation may come in the collection and recording of the data. This paper presents some simple exercises…

Investigates whether authentic materials increase student motivation in the classroom. Findings reveal that while on-task behavior and observed motivation increased significantly when authentic materials were used, self-reported motivation only increased over the last 12 days of the study. Students reported authentic materials to be less…