Having low domain knowledge is a significant constraint when using the Internet. This study examined the effectiveness of three potential supports for learners with low domain knowledge, including having plenty of time to search the Internet, using notes taken during the search when writing an essay about the topic, and having high levels of…

School-based health and nutrition interventions in developing countries aim at improving children's nutrition and learning ability. In addition to the food and health inputs, children need access to education that is relevant to their lives, of good quality, and effective in its approach. Based on evidence from the Zambia Nutrition Education in…

The research reported in the current article studies the impact of learning in asynchronous discussion groups on students' final exam scores and levels of knowledge construction. Multilevel analyses were applied to uncover the specific influence of student, group and task variables. The results indicate that the impact of student characteristics…

This paper presents findings of a study that examined the effects of a violence-prevention program on students' acquisition of knowledge about violence. The violence-prevention program, an adaptation of the Prothrow-Stith (1987) curriculum model, was implemented in seventh-grade health-education classes in a rural Mississippi River-delta…

The difficulty of 44 items from the life sciences subscale of the National Assessment of Educational Progress (NAEP) 1985-86 science assessment was analyzed in terms of item attributes and science educators' judgments of difficulty. The attributes included ratings of various characteristics of the items' text and option set, the items' cognitive…

This study is a key concept in making design more fruitful in education. It is proposed that what students are doing when they construct knowledge is studying. For several years, Teachers College, Columbia University and the Dalton School (an independent school in New York City), have been collaborating on the Dalton Technology Project. The goal…

In this preliminary investigation (part of a study of the role of prior knowledge in learning) the views of students about prior knowledge and the importance it has for learning were studied. An effort was made to verify whether the previously proposed model of the concept was congruent with student views. Forty of 120 students at the Open…

This paper describes the analysis of teacher pedagogical content knowledge for the topics of heat, energy, and temperature. The results of the study of these (n=6) 7th and 8th grade teachers indicate that teachers may be weak in this type of knowledge despite their experience and pedagogical expertise. Specific information is provided about…

This paper presents an information processing model of test anxiety in an attempt to explain the mechanism of test anxiety's effect on working memory within the framework of the American College Testing Program Assessment (ACT). The model suggests that the construct of test anxiety, both worry and emotionality, is represented in the declarative…

This study examined the performance of college students and elementary school teachers on the Cultural Literacy Science Assessment (CLSA) developed by Cannon and Jinks (1992), which is based partly on science-related terms in "The Dictionary of Cultural Literacy" by E. D. Hirsch et al. A total of 330 students and teachers completed the…

Although testing language has traditionally taken the form of testing knowledge about language, the idea of testing communicative competence is becoming recognized as being of great importance in second language learning. Communicative language tests are intended to be a measure of how the testees are able to use language in real life situations.…

With few exceptions, the development of adult intelligence assessment instruments has proceeded along the lines of the Binet-Simon tests for children, stressing psychological assessment over the evaluation of what an individual knows. These tests, developed over 90 years ago, were quite effective in predicting school success, but were much less…

The Teens, Crime, and the Community Program presents practical information and problem-solving opportunities to help students develop the knowledge and skills necessary to deal with crime issues. The program and its curriculum advance the idea that teens can contribute energy and talent to the improvement of their communities. This text is part of…

The purpose of this study was to assess the impact of eighteen 11th grade high school chemistry students' prior mathematical knowledge on their understanding of certain chemical concepts (symbol, formula, and equation). It also investigated students' ideas about the meaning of plus sign, reaction sign, and the relationships between subscript, and…

The Extension Service of the U.S. Department of Agriculture commissioned the National Impact Study of Leadership Development in Extension (NISLDE), one of five national impact studies, to examine the leadership development work of Cooperative Extension staff nationwide. The study, responded to by 86 percent of the 3,100 extension educators and…