A review and meta-analysis were made of placebo control groups in educational experiments. In all, 125 studies were clustered into procedures that included (1) explicit manipulation of attentional elements; (2) explicit description of the placebo activity plus implied reference to attention; and (3) exclusive reference to the activity. (SLD)

Presented a categorization of types of science education research, their possible contributions to cognitive science, and the potential of results from cognitive science for enriching the science education research accounts. Explored the relationship of an example of cognitive work to cognitive science. (15 references) (Author/JRH)

New methods for comparing the medians corresponding to independent treatment groups are suggested. Procedures are based on the estimator of F. Harrell and C. Davis in conjunction with a modification and extension of the bootstrap calibration technique suggested by W. Loh. Data from two groups provide an illustration. (SLD)

Issues are raised about the Council for Learning Disabilities Research Committee's standards for describing research subjects, including justification for the recommended standards, relationship between description of subjects and probability of replication, and impact of the type of research on subject description standards. Recommendations are…

This article contends that educational researchers need to realize that the research process itself is an unregarded intervention beyond any intentional treatment effects or secondary effects on the research participants or other stakeholders. Implications are discussed for conducting and reporting experimental and qualitative research to increase…

Purpose: We investigated the feasibility of using a "wash-and-dry" toilet in the nursing home. Design and Methods: We used a controlled comparison baseline-versus-treatment design with 22 female nursing home residents aged 75 and older living in a 562-bed, not-for-profit nursing home facility in Maryland. The Luscence Luxury Lavage…

This study investigated the effect of using infant simulators with a structured, competency-based curriculum by examining the infant care behavior of adolescents and their attitudes toward parenting and sexual behavior. The sample of 236 students included 112 males and 124 females ranging in age from 14 to 18 years. This sample was randomly…

Discussion abounds in the literature as to whether aphasia is a deficit of linguistic competence or linguistic performance and, if it is a performance deficit, what are its precise mechanisms. Considerable evidence suggests that alteration of nonlinguistic factors can affect language performance in aphasia, a finding that raises questions about…

This study focuses on the ability of high-school chemistry students, who learn chemistry through the inquiry approach, to ask meaningful and scientifically sound questions. We investigated (a) the ability of students to ask questions related to their observations and findings in an inquiry-type experiment (a practical test) and (b) the ability of…

In this study, a hierarchical linear model (HLM) was used within a cluster random assignment design to test the impact of "Criterion"? on students' writing skill when "Criterion" was used as a supplementary instructional tool in ninth grade English classrooms over a 4 week period. The study was conducted in three states:…

Multiple Intelligence Based Teaching (MIBT) applies the multiple intelligence theory in the process of teaching and learning. MIBT explores and develops the intelligence of the students. Also, it teaches the content in a multiple way to the students. The objective of the present study is to find out the effectiveness of multiple intelligence based…

Jigsaw is a well-known and frequently used technique in cooperative learning. As part of ongoing studies to develop the technique, this research concentrates on exploring its use with prospective elementary school teachers (PTs). In order to establish PTs' views regarding Jigsaw and its effectiveness on their academic success, a proficiency test…

This study investigated the effect of Further Mathematics on students' achievement in mathematics, biology, chemistry and physics in Ogun State, Nigeria. Two Local Government Areas (LGAs) were judgmentally selected from the state. Ten secondary schools were also purposively selected from the two LGAs (Five schools from each LGA). At least twenty…

The Randomized Control Trials (RCT) design and its quasi-experimental kissing cousin, the Comparison Group Trials (CGT), are golden to some and not even silver to others. At the center of the affection, at the vortex of the discomfort, are beliefs about what it takes to establish causality. These designs are considered primarily when the purpose…

The purpose of this research was to evaluate a parent intervention programme, open to parents of children in Year 7, aimed at assisting parents to help their children achieve their full potential. The benefit for parents themselves was also examined. Unlike many existing evaluations of parent intervention programmes, it drew upon statistically…