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

Chapter 3 A Survey of Web IR use and the Web of Science Search Facilities 91-106
3.1 Introduction 91
3.2 A survey of Web-based IR use 91
3.2.1 Typical users of Web IR systems 92
3.2.2 Frequency of use 92
3.2.3 The type of information search 93
3.2.4 Search tasks 93
3.2.5 Finding information in Web-based IR systems 94
3.3 Web of Science: Search Facilities and Features 94
3.3.1 Easy search 96
3.3.1.1 Topic search 97
3.3.1.2 Person search 99
3.3.1.3 Place search 100
3.3.2 Full search 101
3.3.2.1 General search 101
3.3.2.2 Cited reference search 103
3.3.3 Related records 104
3.3.4 Saving search query 104
3.3.5 Display results 104
3.3.6 Documentation and help 106
3.4 Conclusions 106
Chapter 4 Research Design and Methodology 107-122
4.1 Introduction 107
4.2 Experiment with Web of Science I: Performance and Satisfaction 109
4.2.1 Participants 109
4.2.2 Experimental procedures 109
4.2.3 Search tasks 110
4.2.4 Data collection 111
4.2.4.1 Transaction logs 111
4.2.4.2 Computer screen recordings 111
4.2.4.3 Questionnaire for User Interface Satisfaction (QUIS) 112
4.2.5 Variables studied 112
4.2.5.1 The independent variables 112
4.2.5.2 The dependent variables 113
4.2.5.2.1 Performance variables 113
4.2.5.2.2 Subjective satisfaction 113
4.2.6 Data analysis techniques 114
4.2.6.1 The independent sample t-test 114
4.2.4.2 Mann-Whitney U-test 114
4.2.6.3 Analysis of variance (ANOVA) 115
4.3 Experiment with Web of Science II:  Learning and Retention 116
4.3.1 Participants 116
4.3.2 Experimental procedures 116
4.3.3 Variables studied 117
4.3.4 Data analysis techniques 117
4.3.4.1 The related t-test 117
4.3.4.2 The Wilcoxon test 117
4.3.4.3 Two-way mixed model ANOVA 118
4.4 Heuristic evaluation of the Web of Science 118
4.5 User task analysis 120
4.6 The prototype IR interface design 120
4.6.1 Heuristic evaluation 120
4.6.2 Formative evaluation 121
4.6.3 Summative comparative evaluation 121
4.7 Conclusions 122
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