The aim of this study was to examine the barriers to use of educational technology in the learning process of primary school students in district 13 of Tehran. This research in terms of purpose is practical, in terms of the title characteristics of the research is descriptive, and in terms of data collection method is a field research. The…

Purpose: This study assesses the effect of participatory research on farmers' knowledge and practice of Integrated Pest Management (IPM) in Benin. The participatory field experiments were carried out during the 2011-2012 cotton growing season, and focused on the development and application of pest management knowledge. Methodology: A…

Much debate surrounds the issue of whether allowing candidates to listen to recordings twice is more desirable in language tests than offering just one opportunity. Using regression models, this study investigates, analyses and interconnects both item difficulty and stimulus length in relation to the frequency of stimulus presentation and its…

This article examines an educational experiment with a unique combination of 3 elements: homework, the use of information and communication technology and a large degree of freedom of choice (student autonomy). More particularly, we study the effectiveness of a web-based intelligent tutoring system (ITS) that a school offers to its students as…

Purpose of the study: To explore short-form versions of World Health Organization Quality of Life (WHOQOL-OLD) with acceptable psychometric properties, which was developed for older adults by the WHOQOL research group, containing 24 items initially. Design and Methods: We randomly sampled two-thirds of respondents from the data of WHOQOL-OLD field…

Background/Context: Schools have attempted to address stratification in black and Latino students' access to higher education through extensive reform initiatives, including those focused on social supports. A crucial focus has been missing from these efforts, essential to improving the effectiveness of support mechanisms and understanding why…

Results from bootstrap samples of 50, 100, and 200 indicate that 3 imputation procedures for missing data produce biased estimates of R2 and both standardized regression weights used. Two deletion procedures (listwise and pairwise) provided accurate parameter estimates with up to 30% of data missing. (SLD)

Three topics within the domain of regression-based analyses of multilevel data from quasi-experiments and field studies in educational research and evaluation are presented. The paper begins with a discussion of the general question of choice of unit of analysis, or what may be the more appropriate question of choice of analytical model. It then…