Library and Information Science

Library and Information Science ISSN: 2435-8495
三田図書館・情報学会 Mita Society for Library and Information Science
〒108‒8345 東京都港区三田2‒15‒45 慶應義塾大学文学部図書館・情報学専攻内 c/o Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan
Library and Information Science 50: 125-149 (2003)

原著論文Original Article

調べるために利用するウェブサイトの評定尺度における有効性の検証Examination of an evaluation scale for websites as information resources

1愛知淑徳大学企画部入試広報課Department of Admissions and Public Relations, Planning Office, Aichi Shukutoku University ◇ 〒464-8671 愛知県名古屋市千種区桜が丘23番地 ◇ Sakuragaoka 23, Nagoya Chikusa-ku, Aichi 464-8671, Japan

2愛知淑徳大学大学院文学研究科図書館情報学専攻Graduate School of Letters, Aichi Shukutoku University ◇ 〒480-1197 愛知県長久手市片平二丁目9番地 ◇ Katahira 2-9, Nagakute, Aichi 480-1197, Japan

受付日:2003年9月27日Received: September 27, 2003
受理日:2004年5月14日Accepted: May 14, 2004
発行日:2005年2月1日Published: February 1, 2005

More and more college students are turning to Web resources for gathering information for their report writing. Many of them, however, use websites inefficiently and seem unaware of their limitations. Existing Website evaluation tools show lack of effectiveness. Furthermore, at present there are only a few website evaluation tools developed in Japan.

The purpose of this study is to introduce the process of making an evaluation scale for websites as information resources, and to examine the effectiveness of the scale. A literature review of previous studies has made it clear that evaluation criteria for websites have two main dimensions. They are: (1) information reliability and (2) accessibility to information. The former dimension consists of five sub-dimensions: authority, accuracy/objectivity, coverage, currency/stability, and purpose/audience. For each of the five sub-dimensions and the second main dimension, twenty evaluation items were chosen. A 20-item/6-point Likert-scale Website evaluation scale was then created.

Effectiveness of the Website scale was examined using two experiments. ln the first experiment, subjects were 110 Japanese college students and 5 specialists. The subjects assessed two kinds of Websites by using the scale. The two Websites were deliberately created so that their quality differed, one of a higher quality, and the other, a lower quality. The results of the experiment have shown the scale to possess a high level of stability, and that individual differences did not have significant effect in Website evaluation. The Website scale was found to be easy-to-use and suitable for most users.

In the second experiment, subjects used in the experiments were 91 Japanese college students. The subjects went over the 60 items in the checklist for Website evaluation before and after assessing the Website using the Website scale. The results of the checklist taken before and after the evaluation of website were compared. The result also suggests that the student’s consciousness in Website evaluation has risen, and essential skill in evaluating websites as information resources was acquired by using the Website scale.

These findings have indicated that the Website scale is indeed an effective tool for persons who use websites as information resources.

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