Diffusion and osmosis are central concepts in biology, both at the cellular and organ levels. They are presented several times throughout most introductory biology textbooks (e.g., Freeman, 2002), yet both processes are often difficult for students to understand (Odom, 1995; Zuckerman, 1994; Sanger et al., 2001; and results herein). Students have deep-rooted misconceptions about how diffusion a...

A major limitation in traditional class lectures that use textbooks, handouts, transparencies and assignments is that students often are unable to “experience” user interface design. This limitation can be overcome by using the constructionist approach, which allows students to experience user interface design by letting them “do” or “construct” so that they can understand and remember. This pa...

1 Computer Science Department, University of Wisconsin Parkside, 900 Wood Road, P.O. Box 2000, Kenosha, WI 53141-2000 [mccann at uwp.edu] Abstract Division is the most intellectually challenging of the basic operators of relational algebra. Although its utility is unquestioned, its presentation by many textbooks, and therefore by many instructors, leaves much to be desired. This paper examines ...

A major limitation in traditional class lectures that use textbooks, handouts, transparencies and assignments is that students often are unable to “experience” user interface design. This limitation can be overcome by using the constructionist approach, which allows students to experience user interface design by letting them “do” or “construct” so that they can understand and remember. This pa...

The modern educational system requires the teacher to form in students certain competencies, choosing a logically structured didactic material. School textbooks play an important role building competency-based learning. They can actualize students' subjective problems, turn them into cognitive ones, and teach how solve them. analysis of gives grounds conclude that authors, developing textbooks,...

The present study is an attempt to find out cultural exophoric references in four common English textbooks, namely Touch Stone, American File, Top Notch, and Total English series used at Iranian English language institutes and to compare the frequency of occurrence of such references in these coursebooks. In order to compare cultural exophoric references used in these coursebooks, the researche...

Language is the fundamental trait of human beings through which they communicate with each other. Every language has four primary skills language: listening, speaking, reading, and writing. Listening reading are considered receptive skills, whereas speaking writing regarded as productive skills. An individual to get mastery over all command on any language. Textbooks significant sources educate...