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1 INTRODUCTION  1.1 Changes in topics of HCI research over time   1.2 Shifts in measurement in HCI    1.3 Inherent conflicts in HCI    1.4 Interdisciplinary nature of HCI research    1.5 Communicating your ideas    1.6 Research and usability testing
2 EXPERIMENTAL RESEARCH   2.1 Types of behavioral research   2.2 Research hypotheses   2.2.1 Null hypothesis and alternative hypothesis   2.2.2 Dependent and independent variables   2.2.3 Typical independent variables in HCI research   2.2.4 Typical dependent variables in HCI research   2.3 Basics of experimental research   2.3.1 Components of an experiment   2.3.2 Randomization    2.4 Significance tests    2.4.1 Why do we need them?   2.4.2 Type I and Type II errors    2.4.3 Controlling the risks of Type I and Type II errors    2.5 Limitations of experimental research
3 EXPERIMENTAL DESIGN   3.1 What needs to be considered when designing experiments?   3.2 Determining the basic design structure   3.3 Investigating a single independent variable    3.3.1 Between-group design and within-group design    3.3.2 Choosing the appropriate design approach    3.4 Investigating more than one independent variable    3.4.1 Factorial design  3.4.2 Split-plot design    3.4.3 Interaction effects    3.5 Reliability of experimental results    3.5.1 Random errors   3.5.2 Systematic errors    3.6 Experimental procedures
4 STATISTICAL ANALYSIS   4.1 Preparing data for statistical analysis   4.1.1 Cleaning up data   4.1.2 Coding data    4.1.3 Organizing data    4.2 Descriptive statistics    4.2.1 Measures of central tendency   4.2.2 Measures of spread    4.3 Comparing means   4.4 T tests   4.4.1 Independent-samples t test   4.4.2 Paired-samples t test   4.4.3 Interpretation of t test results   4.4.4 Two-tailed t tests and one-tailed t tests   4.5 Analysis of variance    4.5.1 One-way ANOVA    4.5.2 Factorial ANOVA    4.5.3 Repeated measures ANOVA    4.5.4 ANOVA for split-plot design    4.6 Assumptions of t tests and F tests    4.7 Identifying relationships    4.8 Regression   4.9 Nonparametric statistical tests    4.9.1 Chi-square test    4.9.2 Other non-parametric tests
5 SURVEYS   5.1 Introduction    5.2 Benefits and drawbacks of surveys   5.3 Goals and targeted users for survey research    5.4 Probabilistic sampling  5.4.1 Stratification  5.4.2 Response size   5.4.3 Errors  5.5 Non-probabilistic sampling   5.5.1 Demographic data  5.5.2 Oversampling  5.5.3 Random sampling of usage, not users   5.5.4 Self-selected surveys  5.5.5 Uninvestigated populations   5.6 Developing survey questions   5.6.1 Open-ended questions  5.6.2 Closed-ended questions   5.6.3 Common problems with survey questions   5.7 Overall survey structure  5.8 Existing surveys  5.9 Paper or online surveys?   5.10 Testing the survey tool   5.11 Response rate  5.12 Data analysis
6 DIARIES   6.1 Introduction   6.2 Why do we use diaries in HCI research?   6.3 Participants for a diary study    6.4 What type of diary?    6.4.1 Feedback diary   6.4.2 Elicitation diary    6.4.3 Hybrid feedback and elicitation diary   6.5 Data collection for the diary study    6.6 Letting participants know when to record a diary entry   6.7 Analysis of diaries
7 CASE STUDIES   7.1 Introduction   7.2 Observing Sara: a case study of a case study   7.3 What is a case study?   7.3.1 In-depth investigation of a small number of cases    7.3.2 Examination in context    7.3.3 Multiple data sources   7.3.4 Emphasis on qualitative data and analysis   7.4 Goals of HCI case studies   7.4.1 Exploration   7.4.2 Explanation    7.4.3 Description   7.4.4 Demonstration   7.5 Types of case study   7.5.1 Intrinsic or instrumental   7.5.2 Single case or multiple cases   7.5.3 Embedded or holistic   7.6 Research questions and hypotheses   7.7 Choosing cases    7.8 Data collection   7.8.1 Data sources and questions   7.8.2 Collecting data   7.9 Analysis and interpretation   7.10 Writing up the study   7.11 Informal case studies
8 INTERVIEWS AND FOCUS GROUPS   8.1 Pros and cons of interviews   8.2 Applications of interviews in HCI research   8.2.1 Initial exploration   8.2.2 Requirements gathering   8.2.3 Evaluation and subjective reactions   8.3 Who to interview   8.4 Interview strategies   8.4.1 How much structure?    8.4.2 Focused and contextual interviews   8.5 Interviews vs focus groups   8.6 Types of question   8.7 Conducting an interview   8.7.1 Preparation   8.7.2 Recording the responses   8.7.3 During the interview   8.8 Electronically mediated interviews and focus groups   8.8.1 Telephone   8.8.2 Online   8.9 Analyzing interview data   8.9.1 What to analyze   8.9.2 How to analyze   8.9.3 Validity   8.9.4 Reporting Results
9 ETHNOGRAPHY   9.1 Introduction   9.2 What is ethnography?   9.3 Ethnography in HCI   9.4 Conducting ethnographic research   9.4.1 Selecting a site or group of interest   9.4.2 Participating: choosing a role   9.4.3 Building relationships   9.4.4 Making contact   9.4.5 Interviewing, observing, analyzing, repeating, and theorizing   9.4.6 Reporting results   9.5 Some examples   9.5.1 Home settings   9.5.2 Work settings   9.5.3 Educational settings   9.5.4 Ethnographies of mobile and ubiquitous systems   9.5.5 Virtual ethnography
10 USABILITY TESTING   10.1 What is usability testing?   10.2 How does usability testing relate to traditional research?   10.3 Types of usability testing or usability inspections   10.3.1 Expert-based testing   10.3.2 Automated usability testing   10.4 User-based testing   10.4.1 Types of usability testing   10.4.2 Stages of usability testing   10.4.3 How many users are sufficient?   10.4.4 Locations for usability testing   10.4.5 Task list   10.4.6 Measurement   10.4.7 The testing session   10.4.8 Making sense of the data   10.5 Other variations on usability testing
11 ANALYZING QUALITATIVE DATA   11.1 Introduction   11.2 Stages of qualitative analysis   11.3 Grounded theory   11.4 Content analysis   11.4.1 What is content?   11.4.2 Why do we need to collect text or multimedia information?   11.4.3 Questions to consider before content analysis   11.5 Analyzing text content   11.5.1 Procedure   11.5.2 Identifying coding categories   11.5.3 Coding the text   11.5.4 Ensuring high-quality analysis   11.6 Analyzing multimedia content
12 AUTOMATED DATA COLLECTION METHODS   12.1 Exploiting existing tools   12.1.1 Web logs   12.1.2 Stored application data   12.2 Using software to observe and record   12.2.1 Web proxies   12.2.2 Instrumented software   12.2.3 Custom-built software   12.2.4 Handling stored data   12.2.5 Keystroke and activity loggers   12.2.6 Analyzing log files   12.3 Hybrid data collection methods   12.4 Automated interface evaluation   12.5 Challenges of computerized data collection
13 MEASURING THE HUMAN   13.1 Eye tracking   13.2 Physiological tools   13.2.1 Physiological data   13.2.2 Challenges in data collection and interpretation   13.3 Examples of physiological research in HCI
14 WORKING WITH HUMAN SUBJECTS   14.1 Identifying potential participants   14.1.1 Which subjects?   14.1.2 How many subjects?   14.1.3 Recruiting participants   14.2 Care and handling of research participants   14.2.1 Protecting participants   14.2.2 Informed consent   14.2.3 Institutional review boards    14.2.4 Potentially deceptive research?   14.2.5 General concerns   14.3 Online research   14.3.1 Appropriate topics for online research   14.3.2 Recruiting   14.3.3 Study design   14.3.4 Ethical concerns   14.3.5 Data collection
15 WORKING WITH RESEARCH PARTICIPANTS WITH IMPAIRMENTS   15.1 Introduction    15.2 How many participants?    15.2.1 Small sample sizes   15.2.2 Distributed research   15.2.3 In-depth case studies   15.3 Proxy users   15.4 Multi-Population Studies   15.5 Recruiting users through community partners   15.6 Pilot studies    15.7 Scheduling users with impairments   15.8 Documentation for users with impairments   15.8.1 Human subjects forms   15.8.2 Research documentation   15.9 Differing levels of ability   15.10 Bringing extra computer parts   15.11 Payment

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research methods in hci 內容簡介

  • 1.
  • 2. 1 INTRODUCTION 1.1 Changes in topics of HCI research over time 1.2 Shifts in measurement in HCI 1.3 Inherent conflicts in HCI 1.4 Interdisciplinary nature of HCI research 1.5 Communicating your ideas 1.6 Research and usability testing
  • 3. 2 EXPERIMENTAL RESEARCH 2.1 Types of behavioral research 2.2 Research hypotheses 2.2.1 Null hypothesis and alternative hypothesis 2.2.2 Dependent and independent variables 2.2.3 Typical independent variables in HCI research 2.2.4 Typical dependent variables in HCI research 2.3 Basics of experimental research 2.3.1 Components of an experiment 2.3.2 Randomization 2.4 Significance tests 2.4.1 Why do we need them? 2.4.2 Type I and Type II errors 2.4.3 Controlling the risks of Type I and Type II errors 2.5 Limitations of experimental research
  • 4. 3 EXPERIMENTAL DESIGN 3.1 What needs to be considered when designing experiments? 3.2 Determining the basic design structure 3.3 Investigating a single independent variable 3.3.1 Between-group design and within-group design 3.3.2 Choosing the appropriate design approach 3.4 Investigating more than one independent variable 3.4.1 Factorial design 3.4.2 Split-plot design 3.4.3 Interaction effects 3.5 Reliability of experimental results 3.5.1 Random errors 3.5.2 Systematic errors 3.6 Experimental procedures
  • 5. 4 STATISTICAL ANALYSIS 4.1 Preparing data for statistical analysis 4.1.1 Cleaning up data 4.1.2 Coding data 4.1.3 Organizing data 4.2 Descriptive statistics 4.2.1 Measures of central tendency 4.2.2 Measures of spread 4.3 Comparing means 4.4 T tests 4.4.1 Independent-samples t test 4.4.2 Paired-samples t test 4.4.3 Interpretation of t test results 4.4.4 Two-tailed t tests and one-tailed t tests 4.5 Analysis of variance 4.5.1 One-way ANOVA 4.5.2 Factorial ANOVA 4.5.3 Repeated measures ANOVA 4.5.4 ANOVA for split-plot design 4.6 Assumptions of t tests and F tests 4.7 Identifying relationships 4.8 Regression 4.9 Nonparametric statistical tests 4.9.1 Chi-square test 4.9.2 Other non-parametric tests
  • 6. 5 SURVEYS 5.1 Introduction 5.2 Benefits and drawbacks of surveys 5.3 Goals and targeted users for survey research 5.4 Probabilistic sampling 5.4.1 Stratification 5.4.2 Response size 5.4.3 Errors 5.5 Non-probabilistic sampling 5.5.1 Demographic data 5.5.2 Oversampling 5.5.3 Random sampling of usage, not users 5.5.4 Self-selected surveys 5.5.5 Uninvestigated populations 5.6 Developing survey questions 5.6.1 Open-ended questions 5.6.2 Closed-ended questions 5.6.3 Common problems with survey questions 5.7 Overall survey structure 5.8 Existing surveys 5.9 Paper or online surveys? 5.10 Testing the survey tool 5.11 Response rate 5.12 Data analysis
  • 7. 6 DIARIES 6.1 Introduction 6.2 Why do we use diaries in HCI research? 6.3 Participants for a diary study 6.4 What type of diary? 6.4.1 Feedback diary 6.4.2 Elicitation diary 6.4.3 Hybrid feedback and elicitation diary 6.5 Data collection for the diary study 6.6 Letting participants know when to record a diary entry 6.7 Analysis of diaries
  • 8. 7 CASE STUDIES 7.1 Introduction 7.2 Observing Sara: a case study of a case study 7.3 What is a case study? 7.3.1 In-depth investigation of a small number of cases 7.3.2 Examination in context 7.3.3 Multiple data sources 7.3.4 Emphasis on qualitative data and analysis 7.4 Goals of HCI case studies 7.4.1 Exploration 7.4.2 Explanation 7.4.3 Description 7.4.4 Demonstration 7.5 Types of case study 7.5.1 Intrinsic or instrumental 7.5.2 Single case or multiple cases 7.5.3 Embedded or holistic 7.6 Research questions and hypotheses 7.7 Choosing cases 7.8 Data collection 7.8.1 Data sources and questions 7.8.2 Collecting data 7.9 Analysis and interpretation 7.10 Writing up the study 7.11 Informal case studies
  • 9. 8 INTERVIEWS AND FOCUS GROUPS 8.1 Pros and cons of interviews 8.2 Applications of interviews in HCI research 8.2.1 Initial exploration 8.2.2 Requirements gathering 8.2.3 Evaluation and subjective reactions 8.3 Who to interview 8.4 Interview strategies 8.4.1 How much structure? 8.4.2 Focused and contextual interviews 8.5 Interviews vs focus groups 8.6 Types of question 8.7 Conducting an interview 8.7.1 Preparation 8.7.2 Recording the responses 8.7.3 During the interview 8.8 Electronically mediated interviews and focus groups 8.8.1 Telephone 8.8.2 Online 8.9 Analyzing interview data 8.9.1 What to analyze 8.9.2 How to analyze 8.9.3 Validity 8.9.4 Reporting Results
  • 10. 9 ETHNOGRAPHY 9.1 Introduction 9.2 What is ethnography? 9.3 Ethnography in HCI 9.4 Conducting ethnographic research 9.4.1 Selecting a site or group of interest 9.4.2 Participating: choosing a role 9.4.3 Building relationships 9.4.4 Making contact 9.4.5 Interviewing, observing, analyzing, repeating, and theorizing 9.4.6 Reporting results 9.5 Some examples 9.5.1 Home settings 9.5.2 Work settings 9.5.3 Educational settings 9.5.4 Ethnographies of mobile and ubiquitous systems 9.5.5 Virtual ethnography
  • 11. 10 USABILITY TESTING 10.1 What is usability testing? 10.2 How does usability testing relate to traditional research? 10.3 Types of usability testing or usability inspections 10.3.1 Expert-based testing 10.3.2 Automated usability testing 10.4 User-based testing 10.4.1 Types of usability testing 10.4.2 Stages of usability testing 10.4.3 How many users are sufficient? 10.4.4 Locations for usability testing 10.4.5 Task list 10.4.6 Measurement 10.4.7 The testing session 10.4.8 Making sense of the data 10.5 Other variations on usability testing
  • 12. 11 ANALYZING QUALITATIVE DATA 11.1 Introduction 11.2 Stages of qualitative analysis 11.3 Grounded theory 11.4 Content analysis 11.4.1 What is content? 11.4.2 Why do we need to collect text or multimedia information? 11.4.3 Questions to consider before content analysis 11.5 Analyzing text content 11.5.1 Procedure 11.5.2 Identifying coding categories 11.5.3 Coding the text 11.5.4 Ensuring high-quality analysis 11.6 Analyzing multimedia content
  • 13. 12 AUTOMATED DATA COLLECTION METHODS 12.1 Exploiting existing tools 12.1.1 Web logs 12.1.2 Stored application data 12.2 Using software to observe and record 12.2.1 Web proxies 12.2.2 Instrumented software 12.2.3 Custom-built software 12.2.4 Handling stored data 12.2.5 Keystroke and activity loggers 12.2.6 Analyzing log files 12.3 Hybrid data collection methods 12.4 Automated interface evaluation 12.5 Challenges of computerized data collection
  • 14. 13 MEASURING THE HUMAN 13.1 Eye tracking 13.2 Physiological tools 13.2.1 Physiological data 13.2.2 Challenges in data collection and interpretation 13.3 Examples of physiological research in HCI
  • 15. 14 WORKING WITH HUMAN SUBJECTS 14.1 Identifying potential participants 14.1.1 Which subjects? 14.1.2 How many subjects? 14.1.3 Recruiting participants 14.2 Care and handling of research participants 14.2.1 Protecting participants 14.2.2 Informed consent 14.2.3 Institutional review boards 14.2.4 Potentially deceptive research? 14.2.5 General concerns 14.3 Online research 14.3.1 Appropriate topics for online research 14.3.2 Recruiting 14.3.3 Study design 14.3.4 Ethical concerns 14.3.5 Data collection
  • 16. 15 WORKING WITH RESEARCH PARTICIPANTS WITH IMPAIRMENTS 15.1 Introduction 15.2 How many participants? 15.2.1 Small sample sizes 15.2.2 Distributed research 15.2.3 In-depth case studies 15.3 Proxy users 15.4 Multi-Population Studies 15.5 Recruiting users through community partners 15.6 Pilot studies 15.7 Scheduling users with impairments 15.8 Documentation for users with impairments 15.8.1 Human subjects forms 15.8.2 Research documentation 15.9 Differing levels of ability 15.10 Bringing extra computer parts 15.11 Payment