A User-Centred Design of a Web-based Interface to Bibliographic Databases

Chapter 5 Experiment with Web of Science I:         Performance and Satisfaction 123-142
5.1 Introduction 123
5.2 User background, gender, and computer experience 123
5.3 Data analysis 124
5.4 Test hypothesis 125
5.5 Results of the study 126
5.5.1 Task completion time 126
5.5.2 Number of search terms used 127
5.5.3 Success score 127
5.5.4 Number of errors made 129
5.5.5 Subjective satisfaction with the Web of Science 130
5.6 Tests for statistical significance 132
5.6.1 The independent sample t-test 132
5.6.1.1 Task completion time 132
5.6.1.2 Search terms used 133
5.6.1.3 Success score 133
5.6.1.4 Number of errors made 134
5.6.2 Mann-Whitney U-test 134
5.6.3 Analysis of variance (ANOVA) 135
5.6.3.3 Age differences 135
5.6.3.4 Gender differences 136
5.6.3.5 Online search training 137
5.6.3.6 Computer experience 138
5.6.3.7 Status of the users 138
5.7 Analysis of open-ended questions in QUIS 138
5.7.1 Web of Science: positive features 139
5.7.2 Web of Science: negative features 140
5.8 Discussion of results 141
5.9 Conclusions 142
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