Participant recruitment is one of the most significant challenges in research on intellectual disability (ID). One potential solution is to develop a participant contact registry, which allows the researcher to contact participants directly rather than recruiting through multiple schools or service agencies. The authors describe the development of…

This research empirically evaluates data sets from the National Center for Education Statistics (NCES) for design effects of ignoring the sampling design in weighted two-level analyses. Currently, researchers may ignore the sampling design beyond the levels that they model which might result in incorrect inferences regarding hypotheses due to…

This manual provides guidance and documentation for users of the kindergarten (or base year) data of the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011). It begins with an overview of the ECLS-K:2011. Subsequent chapters provide details on the study data collection instruments and methods; the direct and indirect…

This manual provides guidance and documentation for users of the longitudinal kindergarten-first grade (K-1) data file of the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011). It mainly provides information specific to the first-grade rounds of data collection. Data for the ECLS-K:2011 are released in both a…

Methodologies to identify and enumerate children outside of family care vary as do the vulnerability categories of the children themselves. Children outside of family care is a broad term encompassing children absent of permanent family care, e.g., institutionalized children, children on/of the street, child-headed households, separated or…

This paper summarizes research associated with the development of the "Public Opinion Survey of Human Attributes-Stuttering" ("POSHA-S"), a survey instrument designed to provide a worldwide standard measure of public attitudes toward stuttering. Pilot studies with early experimental prototypes of the "POSHA-S" are summarized that relate to…

The Teacher Education and Development Study in Mathematics (TEDS-M), conducted under the aegis of the International Association for the Evaluation of Educational Achievement (IEA), was designed to inform policy and practice in mathematics teacher education. For educational policymakers, TEDS-M contributes data on institutional arrangements that…

Effective teaching and teachers are key to producing high-performing students worldwide. So how can countries prepare teachers to face the diverse challenges in today's schools? The Teaching and Learning International Survey (TALIS) helps answer this question. TALIS asks teachers and schools about their working conditions and the learning…

The National Household Education Survey (NHES) is a data collection effort of the National Center for Education Statistics that collects and publishes data on the condition of education in the United States. The NHES is designed to provide information on issues that are best addressed by contacting households rather than institutions. It is a…

Issues that arose in attempting to survey people with Acquired Immune Deficiency Syndrome (AIDS) are described. Questions of confidentiality, nonimplementation, and slow accrual of information are considered for an initial sample of 2,731 cases. Comparison with a database concerning 1,313 clinic clients indicates overrepresentation of compliant…