This paper describes the development of an electronic portfolio retrieval system “PRIUM” (Portfolio Retrieval for Investigating Useful Material) which reflects keyword similarity, and assessment of its retrieving efficiency. 40 elementary school students used PRIUM, and 40 elementary school students used a full text retrieval system during their Information Communication Technology (ICT) educat...

This study investigates the measurement invariance as a function of gender and educational level of the Homework Behavior Questionnaire (Ktpc), an instrument developed to assess students’ homework selfregulation strategies. A sample of 1400 elementary and middle school students was used. Results of confirmatory factor analysis indicated a good fit of the theoretical model composed of three dime...

aim: oral health is one of the most important parts of public health which significantlyaffects on quality of life. the purpose of this study is to assess the socio-economic statues aswell as oral health behaviors among a sample of iranian students studying in elementary level.methods: this was a cross-sectional study which was conducted from april 2012 tonovember 2012. data obtained from a fac...

OBJECTIVE Childhood asthma is a frequent cause of absenteeism that affects school performance. We aimed to investigate the impact of asthma on absenteeism and school performance level of elementary and high school students. METHODS Data about sociodemographics, absenteeism, and academic achievement were obtained from 1539 students attending 98 schools in Greece. School performance was assesse...

The Field is a simulated virtual environment designed to help elementary school students learn the basic skills of observational science in the context of mathematics and science. Over the last four years, we have iteratively developed technical aids for navigation and data collection based on observations we have conducted in an elementary school. This paper discusses the problems students enc...

GENERAL PHYSICS FOR STUDENTS OF SCIENCE By ROBERT BRUCE LINDSAY, Hazard Professor of Physics, Brown University. This textbook is intended for an introductory course in college physics, for sophomore students of science who have had mathematics through elementary calculus, or as an intermediate and more thorough treatment for a course for students who have already had an elementary non-mathemati...

background carrying heavy backpacks by school students at growth age can cause irreversible physical harms. this study aimed to investigate the relationship between backpack weight and the incidence of lordosis, kyphosis, scoliosis, and dropped shoulders in elementary school students. materials and methods this descriptive-analytical study was conducted in 2015 in abadan, iran, and 383 elementa...

Background. Sleep difficulties, including insufficient sleep and inadequate sleep hygiene, have been prevalent among children. Sleep deprivation can lead to poor grades, sleepiness, and moodiness. We undertook this study to assess the prevalence of sleep abnormalities among elementary and middle school students in South Texas and how the groups compare with one another. Method. After approval f...