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131.
Education and Information Technologies - The present study examined whether there is a difference in comprehension when reading from computer-based text versus reading from paper-based text and...  相似文献   
132.
The presence of clustering structure in the cystic fibrosis Document Collection is evaluated as a function of the exhaustivity of four subject representations and two citation representations. Experimental results show that for each representation the evidence for clustering structure diminishes as the exhaustivity of the representation decreases. Three of the four subject representations show no evidence of clustering structure at the least exhaustive representations. Although many documents have no references or citations, the citation representations demonstrate the presence of clustering structure over a wider range of exhaustivity levels than the subject representations. Both citation indexes show evidence of clustering structure at the least exhaustive representations. The structures imposed on the CF Document Collection by the subject and citation indexes satisfy the necessary condition for a meaningful clustering outcome.  相似文献   
133.
A survey of University of Pittsburgh student participation in the 1970 election suggests that college students may not exert the independent political influence that many predicted. Pittsburgh students tend to participate within the established party system, to accept traditional party labels (especially the party identity of their parents), and to participate in those (higher-order) political activities usually performed by college-educated adults. Although students may be concerned with effecting programmatic change, radical political activity common to the 1960s is on the want. Our data suggest, further, that the findings and conclusions of the voting studies of the 1950s still apply.The research reported herein was supported in part by an Office of Education Grant, Contract No. OEG-29-480725-1027, Project No. 80725. I appreciate the helpful criticisms of Martha K. Baum and Barbara B. Jameson. Christina M. Jarema was responsible for the processing of the data. This paper was originally presented at the Annual Research Institute of the District of Columbia Sociological Society, Howard University, May 13, 1972.  相似文献   
134.
Peter Shaw is consulting editor ofAcademic Questions and Will and Ariel Durant Professor of Humanities for 1990–1991 at St. Peter's College, Jersey City, NJ 07306. This essay was originally presented as part of the panel “Academic Utopianism: Its Past and Its Future” at “Strategies for the Nineties,” the second national conference of the National Association of Scholars, held June 8–10, 1990. The panel focused on what impact, if any, the fall of European Communism would have on academic Marxism in the United States.  相似文献   
135.
Information loss occurs when continuous data are grouped in discrete intervals. After calculating the squared correlation coefficients between continuous data and corresponding grouped data for four population distributions, the effects of population distribution, number of intervals, and interval width on information loss and recover), were examined.  相似文献   
136.
137.
One-to-one (1X1) laptop initiatives become prevalent in schools aiming to enhance active learning and assist students in developing twenty-first-century skills. This paper reports a qualitative investigation of all 7th graders and their 15 teachers in a junior high-school in Northern Israel gradually implementing 1X1 model. The research was conducted during a second year of 1X1 implementation at the school level, which was a first year of teaching and learning with laptops for all study participants. The study triangulates non-participant lessons’ observations and semi-structured interviews with 15 teachers. The data were collected twice: at the beginning and toward the end of the 2011–2012 academic year – in total, 30 observations and 30 interviews were conducted. The results were examined through phenomenological research techniques and discussed in terms of the technological, pedagogical and content knowledge (TPACK) and “digital wisdom” approaches. The teachers showed significant increase of technological knowledge. However, only moderate connections between technology and pedagogy as well as between technology and content were found. Some of the teachers functioned as moderators, scaffolding students and supporting their individual or collaborative learning. However, many teachers struggled with effective management of 1X1 classroom. Neither conjunction of teacher TPACK nor facilitation of student digital skills was observed. The paper suggests an overlap of the TPACK framework and the digital wisdom approach and provides implications for curriculum developers and educational policy-makers.  相似文献   
138.
The loan policy of a university library can have a significant effect on the ability of library users to find the particular books that they are seeking. This paper focuses on the library-user interface by relating two measures of user satisfaction, book availability and the delay associated with recalls, to the loan policy of the library. This relation is established by computer simulation techniques. This paper synthesizes the results of two studies conducted at the Sears Library at Case Western Reserve University. The results of these studies confirm that the model can accurately predict two measures of user satisfaction as a function of the load policy of a library. Thus this technique can be used to evaluate alternative loan policies in terms of their impact on user satisfaction.  相似文献   
139.
The management information systems (MIS) literature reveals a list of parameters essential for the successful implementation of an IS planning process. Some studies stress the importance of integrating the corporate objectives of a firm into the IS planning process. Other studies discuss the importance of performing an analysis of competitors, or determining the stage of maturity a firm has reached, or the framework used for setting information technology investment priorities. Yet others state that the choice of methodology that will be utilized to develop the IS plan will be crucial to the success of that plan. The objective of this paper is to develop a holistic conceptual model that combines the above parameters into a framework that fully integrates the corporate objectives of a firm into every aspect of the planning process. Three large multi-national courier companies with regional headquarters in Singapore were studied over an eight-month period while undergoing an extensive MIS planning process. Based on these studies, a model based on general systems theory that views the IS planning process in a holistic framework firmly rooted in the view that a firm's corporate objectives must drive the entire process.  相似文献   
140.
In this article we employ a number of bibliometric techniques to capture Rob Kling's intellectual impact and influences over the course of his varied career. We analyze his many publications in terms of type, topic, impact, and rate of co-authorship. We provide a detailed deconstruction of his citation identity (all those scholars whom he cited) and also his citation image makers (all those scholars who cited his work). In addition, we analyze acknowledgment data to gain deeper insights into the sociocognitive networks that sustained, and were sustained by Kling throughout his career.  相似文献   
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