The problem of magnetohydrodynamics (MHD) flow of a conducting, incompressible fluid due to non-coaxial rotations of a porous disk, executing oscillations in its own plane, and a fluid at infinity is considered in the presence of a uniform transverse magnetic field. The porous character of disk and the non-linearity of the fluid increase the order of the differential equation. The solutions for...

This study measured the effects of increasing levels of intervention in reading for a cohort of children in Grades K through 3 to determine whether the severity of reading disability (RD) could be significantly reduced in the catchment schools. Tier 1 consisted of professional development for teachers of reading. The focus of this study is on additional instruction that was provided as early as...

OBJECTIVE To maximize active parent consent form return rates for third-grade minority, urban students enrolled in predominantly low-income elementary schools in Chicago, Ill. METHODS Research staff used a class incentive and class visits to retrieve consent forms from students. RESULTS Of the 811 third-grade students, 98% returned a form and 79% (n = 627) of those students' parents provide...

background: previous studies have shown that preeclampsia is associated with elevated maternal serum homocysteine levels, but few studies have evaluated homocysteine levels in amniotic fluid in these patients. the purpose of this study was to compare amniotic fluid homocysteine levels in preeclamptic women, with those of normal pregnant women. methods: a cross sectional study was done on 46 pre...

Educational outcomes were evaluated for 2,046 preschool children identified with developmental delay. Results indicated that at third grade, 26% were in regular education and the remaining 74% were receiving special education services. The most common disability classifications at outcome were specific learning disabilities and educable mentally handicaps. Regular education, but not special edu...

Previous research shows that being tested after studying a set of material will improve recall of that material on a later test. While this effect has been shown to be robust in adults using both simple material, such as word lists, and complex texts, little research has been done looking at this effect in children. In the current study, third-grade students were asked to read stories while bei...

The retention policy increased the number of students who repeat third grade after scoring at level 1 on the FCAT. However, the subsequent performance of these students also has improved. Sixty-two percent of the students who repeated third grade because they scored at level 1 on the FCAT subsequently improved their performance to level 2 or above. About twothirds of these students maintained t...

This study evaluated the impact computers had on the quality of writing in the third grade. This study was conducted over a six week period of time and took place in a regular education third grade classroom. The class consisted of sixteen students, ten boys and six girls. The students were required to complete two personal narrative writing samples. For the first writing sample, the students c...

This uncontrolled pilot study examined the effects of a classroom-based yoga intervention on cortisol concentrations and perceived behavior in children. A 10-week Yoga 4 Classrooms intervention was implemented in one second-grade and one third-grade classroom. Students' salivary cortisol responses were assessed at 3 time points. Classroom teachers also documented their perceptions of the effect...