Research suggests that the World Wide Web (WWW) represents the intersection of at least two domains: content and technology. This investigation was designed to examine the relationship between prior knowledge and WWW browsing outcomes (i.e., navigation behavior and knowledge gain) within the context of a genetics Web site. Students randomly…

In the context of a research project on the role of prior knowledge state (PKS) in the learning process in a modular education system, a study of the literature was done in order to construct a conceptual map of "prior knowledge." In addition, a study was carried out in order to operationalize the concept of prior knowledge, to construct…

Explores and documents the frequencies of conceptual difficulties confronted by college students (n=200) seeking to understand the basic processes of cellular respiration. Findings suggest that novices harbor a wide range of conceptual difficulties that constrain their understanding of cellular respiration and many of these conceptual problems…

The role of a subject's conceptual knowledge in the procedural task of searching a text for information was studied for 51 college undergraduates in 2 experiments involving knowledge of anatomy. Students with more anatomical information were able to search a text more quickly. Educational implications are discussed. (SLD)

Explored influence of changes in kindergartners' knowledge about a protagonist on earlier constructed memories of the story. Found that children's story recall was affected by their prior impressions. Following the second knowledge manipulation, children revised story reports consistent with newly acquired impressions, suggesting that they had…

In this study, 5- and 6-year-olds were read a story and asked to recall its details. Two independent factors-prestory knowledge and poststory suggestions-were crossed to examine the effects on children's story recall. The results indicated that prestory social knowledge about the story protagonist as well as academic knowledge relating to the…

Two experiments on preschoolers' understanding of the effects of exposure on knowing-that and knowing-how were conducted with 3-, 4-, and 5-year-old children (N=388) in 2 locations: a small midwestern city in the United States and a suburban area of Hong Kong, China. By using both English- and Chinese-speaking samples, the authors examined…

Prior knowledge is often argued to be an important determinant in hypermedia learning, and may be thought of as including two important elements: domain expertise and system expertise. However, there has been a lack of research considering these issues together. In an attempt to address this shortcoming, this paper presents a study that examines…

Using concept maps, a Kellert-type (S. R. Kellert, 1985) inventory, and self-report behavioral items, this cross-age study assessed public knowledge, attitudes, and behaviors toward bottlenose dolphins. Results suggest that this important megafaunal species is poorly understood by the public at large, and that negative "utilitarian" attitudes and…

Background knowledge plays an important role in one?s ability to learn. We learn new knowledge by relating it to our prior knowledge, which in turn provides concrete understanding (Piaget, 1969). Rosenblatt (1996) explained, "The reader brings to the work personality traits, memories of past events, present needs and preoccupations, a…

This study describes 5th, 8th, and 11th-grade students', teachers', and medical professionals' conceptions of flu and microbial illness. Participants constructed a concept map on "flu" and participated in a semi-structured interview. The results showed that these groups of students, teachers and medical professionals held and structured their…

Three experiments with paired comparisons were conducted to test the noncompensatory character of the recognition heuristic (D. G. Goldstein & G. Gigerenzer, 2002) in judgment and decision making. Recognition and knowledge about the recognized alternative were manipulated. In Experiment 1, participants were presented pairs of animal names where…

This study sought to determine the effects of prior knowledge on the achievement of undergraduates in an economics course at the Open University of the Netherlands (OuN). A total of 49 law and 39 economics students were given 4 instruments to test prior knowledge of economics, presented with a learning unit from the course "Economics and…

Three experiments involving 350 undergraduates addressed whether implicit learning is sensitive to a subject's entire range of learning or whether explicit knowledge is an important factor in the more complex learning of an artificial grammar. Results suggest that implicit learning occurs only at the simplest level of complexity. (SLD)

Two experiments examined how 5- and 10-year-olds revised their category representations when exposed to exemplars that were congruent or incongruent with existing knowledge. Findings indicated that judgments about feature co-occurrent within the learned category were influenced by both stereotypical beliefs and exemplar observation. Stereotypical…