Discussion of learners' prior knowledge focuses on a method for exploring common-sense reasoning by engaging secondary school students in the development of an expert system representing their own intuitive expertise. Students' intuitive concerns are discussed; patterns of reasoning are examined; and epistemic planes are described. (23 references)…

Discussion of computer programming and knowledge-based instruction focuses on three studies of elementary and secondary school students which show that five particular problem-solving strategies can be developed in students explicitly taught the strategies and given practice applying them to solve LOGO programming problems. (Contains 53…

Describes a study that examined 48 television stations seeking FCC (Federal Communications Commission) license renewal in 1992 and assesses their efforts to fulfill the programming requirements of the Children's Television Act (CTA) of 1990. Educational programming requirements are explained, and results are reported that indicate inadequate…

An item-selection algorithm to neutralize the differential effects of time limits on scores on computerized adaptive tests is proposed. The method is based on a statistical model for the response-time distributions of the examinees on items in the pool that is updated each time a new item has been administered. Predictions from the model are used…

Discussion of the use of programming as a learning activity focuses on software-realized scaffolding. Emile, software that facilitates programming for modeling and simulation in physics, is described, and results of an evaluation of the use of Emile with high school students are reported. (Contains 95 references.) (LRW)

Discussion of the time needed to create computer-based instruction focuses on descriptive analyses of production data gathered from novice instructional designers and novice authors who used a commercial authoring system to produce computer-based lessons. Production ratios are explained, and future research plans are discussed. (Contains five…

Describes a study that analyzed television series programs from 1950-89 featuring families to identify racial/ethnic composition, number of children, head of household, marital status, and family configuration and to compare television family characteristics with real families based on census figures. (16 references) (LRW)

Investigates stereotypes of male and female undergraduates at Leicester University who had experience with computer programming, word processing, or computer games. The application of 16 personality attributes from a previous study is discussed, and gender differences in the perception of the 3 computer uses are considered. (LRW)