Human-Computer Interaction Research Methods Summary
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Questions and Answers

Which research method is discussed in Chapter 10 of the module?

  • Interviews and Focus Groups
  • Statistical Analysis
  • Usability Testing (correct)
  • Experimental Research

    • What is the focus of Chapter 16 in the module?

  • Analyzing Qualitative Data
  • Working with Human Subjects (correct)
  • Statistical Analysis
  • Design, Prototyping and Construction

    • What is the primary focus of Descriptive research?

  • Describing a situation or a set of events (correct)
  • Testing null hypotheses
  • Identifying relations between multiple variables
  • Exploring cause-effect relationships

    • What is the typical method used in Relational research?

    <p>Observations, field studies, surveys</p> Signup and view all the answers

    What is the goal of an experiment in relation to the null hypothesis and alternative hypothesis?

    <p>To find statistical evidence to refute the null hypothesis</p> Signup and view all the answers

    What do dependent variables refer to in an experiment?

    <p>The outcome or effect that researchers are interested in</p> Signup and view all the answers

    What are typical independent variables in HCI (Human-Computer Interaction) Research usually related to?

    <p>Technologies, users, and the context of technology usage</p> Signup and view all the answers

    What is a characteristic of a good hypothesis according to the text?

    <p>It is testable in one experiment and clearly states control groups or conditions</p> Signup and view all the answers

    What is a typical method used in Descriptive research?

    <p>Observations, field studies, focus groups, interviews</p> Signup and view all the answers

    What do null hypotheses typically state?

    <p>There is no difference between experimental treatments</p> Signup and view all the answers

    What does an alternative hypothesis aim to do?

    <p>Support or refute the null hypothesis</p> Signup and view all the answers

    What can independent variables refer to in an experiment?

    <p>The factors that researchers are interested in studying</p> Signup and view all the answers

    What is the primary focus of Relational research?

    <p>Identifying relations between multiple variables</p> Signup and view all the answers

    Which type of research method typically uses controlled experiments?

    <p>Experimental</p> Signup and view all the answers

    What is the characteristic of a good hypothesis according to the text?

    <p>Being directly tested through an empirical investigation</p> Signup and view all the answers

    In which type of research method are observations, field studies, focus groups, and interviews typically used?

    <p>Descriptive</p> Signup and view all the answers

    What do null hypotheses typically state?

    <p>There is no difference between experimental treatments</p> Signup and view all the answers

    What is the goal of an experiment in relation to the null hypothesis and alternative hypothesis?

    <p>To find statistical evidence to refute or nullify the null hypothesis in order to support the alternative hypothesis</p> Signup and view all the answers

    What is the primary focus of experimental research?

    <p>Controlling or manipulating experimental conditions for direct comparison</p> Signup and view all the answers

    What does the term 'independent variables' refer to in an experiment?

    <p>The factors that researchers are interested in studying or the possible 'cause' of the change in the dependent variable</p> Signup and view all the answers

    What is a characteristic of a well-defined, testable hypothesis?

    <p>It is presented in precise, lucid language</p> Signup and view all the answers

    What are typical dependent variables in HCI research frequently measured?

    <p>Efficiency, accuracy, subjective satisfaction, ease of learning, and retention rate</p> Signup and view all the answers

    Why is complete randomization important in experimental research?

    <p>To ensure that all participants have equal chances of being assigned to any condition</p> Signup and view all the answers

    What is a limitation of lab-based experiments in the context of HCI research?

    <p>They may not be a good representation of users’ typical interaction behavior due to the Hawthorne effect</p> Signup and view all the answers

    What do dependent variables refer to in an experiment?

    <p>The outcome or effect that researchers are interested in</p> Signup and view all the answers

    What are typical independent variables in HCI research usually related to?

    <p>Technologies, users, and the context in which the technology is used</p> Signup and view all the answers

    'Treatments', 'Units', and 'Assignment method' are components of the design of:

    <p>True experimental design</p> Signup and view all the answers

    What is a major reason why experimental research can uncover causal relations?

    <p>Complete randomization of participants</p> Signup and view all the answers

    Study Notes

    Research Methods Overview

    • Chapter 10 discusses a specific research method focused on its application and effectiveness.
    • Chapter 16 centers on a particular topic, exploring its significance and relevance in research contexts.

    Descriptive Research Focus

    • The primary aim is to provide a detailed account of characteristics, behaviors, or phenomena without manipulating variables.

    Relational Research Methodology

    • Typically employs correlation and regression analysis to explore relationships between variables.

    Experimental Research Goals

    • Experiments are designed to test the null hypothesis, which posits no effect or difference, against the alternative hypothesis, suggesting a relationship or effect exists.

    Dependent Variables in Experiments

    • These variables are measured outcomes affected by changes in independent variables during an experiment.

    Independent Variables in HCI Research

    • Often associated with user interactions, design elements, and interface features that impact user performance and experience.

    Characteristics of a Good Hypothesis

    • A strong hypothesis is clear, specific, testable, and provides a basis for prediction and further research.

    Methods Used in Descriptive Research

    • Typical methods include surveys, observational studies, and case studies to gather qualitative and quantitative data.

    Null and Alternative Hypotheses

    • Null hypotheses generally state there is no significant effect or relationship between the studied variables.
    • Alternative hypotheses posit that there is a significant effect, challenging the validity of the null.

    Experimental Research Focus

    • This type of research primarily aims to determine causal relationships through controlled conditions.

    Importance of Independent Variables

    • Independent variables are manipulated by researchers to observe their effect on dependent variables.

    Components of Experimental Design

    • 'Treatments', 'Units', and 'Assignment method' are crucial components establishing how experiments are structured and executed.

    Randomization in Experimental Research

    • Complete randomization is vital to eliminate bias, ensuring that every participant has an equal chance of being assigned to any treatment group.

    Limitations of Lab-Based Experiments in HCI

    • These experiments can lack ecological validity, as they may not accurately reflect real-world user interactions and environments.

    Typical Dependent Variables in HCI Research

    • Commonly measured outcomes include task completion time, error rates, user satisfaction, and cognitive load.

    Causal Relations in Experimental Research

    • A major reason experimental research can establish causal relations is through controlled manipulation of independent variables while observing effects on dependent variables.

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    Description

    This quiz provides a summary of the book and articles related to the Research Methods in Human-Computer Interaction, based on the 2021 version of module 6 at the University of Twente. It covers topics such as experimental research, design, statistical analysis, surveys, usability testing, and analyzing qualitative data.

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