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HCI 2 - S2
| Question | Answer |
|---|---|
| What type of content is best suited for automated analysis in online communities? | Text |
| Which tool allows remote screen sharing and integrated audio for usability studies? | Web conferencing tools |
| What does CAPTCHA stand for? | Completely Automated Public Turing test to tell Computers and Humans Apart |
| What is a challenge in designing online research studies? | Ethical concerns about privacy |
| What technology allows sensing of objects via radio frequencies? | RFID |
| Which platform is popular for DIY sensor projects? | Arduino |
| What is a key benefit of contextual inquiries in online research? | Researchers can observe real-time user behavior |
| What is an API used for in online research? | Extracting data from platforms |
| What is the flagship conference for ubiquitous computing? | UbiComp |
| What was the goal of reCAPTCHA? | Digitize difficult text for OCR |
| You want to know how many users prefer iOS over Android. What type of question should you ask? | Unordered closed-ended |
| You want to gather data from 10,000 users quickly and cheaply. What should you use? | Web-based questionnaire |
| You want to explore how users feel about a new feature. Which question type is best? | Open-ended |
| A researcher asks users to describe their experience using a new app. What type of question is this? | Open-ended |
| A team wants to test a new feature with users who are easy to reach. What sampling method are they using? | Convenience |
| You want to ensure your sample represents different user types. What should you use? | Stratified sampling |
| You want to know how users feel about your app’s usability. Which method gives the deepest insight? | Interview |
| A user is asked to rate an app from 1 to 5. What type of question is this? | Ordered closed-ended |
| You want to explore user behavior in a natural setting without interfering. What method should you use? | Passive observation |
| A researcher uses a list of pre-written questions and asks them in the same order to all participants. What type of interview is this? | Structured |
| What is a major challenge in sensor-based HCI research? | Data transfer and processing |
| Which element is NOT part of a human computation task design? | Hardware specifications |
| Who introduced the concept of “embodied virtuality”? | Marc Weiser |
| Which platform is commonly studied in social media research? | |
| What is a benefit of crowdsourced studies? | Reduced researcher bias |
| Which of the following is NOT a method of online data collection? | Face-to-face interviews |
| You want to know how many users clicked a button last week. What kind of data is this? | Quantitative |
| A researcher wants to compare user satisfaction across different age groups. Which sampling method is best? | Stratified |
| You are designing a mobile app and want to know how many users prefer dark mode. What method should you use? | Survey |
| A researcher uses both surveys and interviews in a study. What is this approach called? | Mixed methods |
| You want to compare user satisfaction between two different app versions. What method is best? | Survey |
| A researcher sends out a paper questionnaire but gets few responses. What is a likely drawback? | Low response rate |
| A researcher is already part of a development team and wants to study their workflow. What observation type is this? | Total participation |
| You want to understand the challenges users face when using your app. Which method is best? | Open-ended survey |
| What is “A/B testing” used for? | Comparing alternative website designs |
| What is a major concern with using convenience samples in HCI research? | Validity and generalizability |
| You want to gather feedback from a group of users discussing a new feature. What method is this? | Focus group |
| You want to know how users feel about a feature immediately after using it. What method avoids recall bias? | Observation during use |
| Which type of study is easiest to conduct online? | Ethnographic studies of support groups |
| What is a drawback of crowdsourced studies? | Lack of direct observation |
| A user is asked to choose their favorite app from a list. What type of question is this? | Unordered closed-ended |
| You want to understand how a team adopted a new project management tool. What method fits best? | Case study |
| A UX designer wants to observe how users interact with a kiosk without influencing them. Which method is best? | Passive participation |
| A researcher wants to study a group of users over time to see how their behavior changes. What method is best? | Case study |
| You want to know how many users completed a task in under 5 minutes. What type of data is this? | Quantitative |
| A company wants to test a new feature with a group that represents their entire user base. What sampling method should they use? | Simple random sampling |
| A researcher wants to understand cultural differences in app usage. What method is most appropriate? | Interview |
| You are studying a rare user group. What sampling method is most effective? | Snowball sampling |
| A researcher wants to understand why users abandon a checkout process. Which method is most appropriate? | Interview |
| F4 | F4 |
| Which research design is most flexible and evolving? | Qualitative |
| What is the main characteristic of experimental research? | Manipulating variables to test hypotheses |
| What is the primary aim of research in HCI? | To contribute to general knowledge |
| Which type of research is concerned with a specific problem and ends once it is solved? | Problem solving |
| What is the focus of phenomenological research? | Common lived experiences |
| Which type of HCI contribution involves creating new tools or systems? | Artifact |
| What is the main goal of dataset contributions in HCI? | To provide benchmarks and data for future research |
| What is the goal of correlational research? | To measure relationships between variables |
| Which type of research is best for studying changes over time? | Longitudinal |
| Which research method combines both quantitative and qualitative approaches? | Mixed-methods |
| You want to measure how two variables vary together. What do you calculate? | Covariance |
| Julius is analyzing survey responses from 100 users. He wants to find the most frequently selected interface design. What statistical measure should he use? | Mode |
| A researcher uses SPSS to run a t-test. How should the data be arranged for independent samples? | Same column with group coding |
| A student codes gender as Male = 1, Female = 0. What is this process called? | Coding |
| You want to compare the popularity of four ads among men and women. What type of data is this? | Multivariate |
| A researcher wants to know if gender affects device preference. What test should be used? | Chi-square |
| A student wants to summarize how often each device was preferred. What should they create? | Frequency distribution |
| A researcher finds r = 0.325 between two task times. What does this mean? | No significant correlation |
| A researcher wants to test if prediction software improves typing speed. What hypothesis is tested? | There is no significant difference |
| You collected data on age, gender, and device preference. What type of data analysis is appropriate? | Multivariate |
| What is the purpose of a survey contribution in HCI? | To synthesize existing research |
| Which type of qualitative research involves studying people in their natural environment? | Ethnographic |
| What does qualitative research primarily focus on? | Lived experiences and meanings |
| Which of the following is a theoretical contribution in HCI? | A predictive model like Fitts’s Law |
| You have a dataset with only one variable: screen brightness levels. What type of analysis applies? | Univariate |
| You want to analyze how three age groups prefer three different devices. What is the degree of freedom for the chi-square test? | 4 |
| In a usability study, a participant’s age is recorded as 222. What should be done first? | Clean the data |
| A developer wants to know which age group prefers stylus input. What kind of test should be used? | Chi-square |
| You want to know the difference between the highest and lowest satisfaction scores. What do you calculate? | Range |
| A researcher wants to compare the average task completion time between users who used a mouse and those who used a touchscreen. What test should be used? | Independent-samples t-test |
| You want to test if device preference differs by age group. What kind of table do you create first? | Contingency table |
| A participant’s task time is far from the average. What measure helps identify this? | Standard deviation |
| Which of the following is a common data collection method in qualitative research? | Interviews |
| Which of the following is a characteristic of quantitative research? | Deductive analysis |
| Which of the following is NOT a type of quantitative research? | Phenomenological |
| You want to find the midpoint of a class interval 10–12. What is it? | 11 |
| You want to know how spread out the task completion times are. What measure should you use? | Standard deviation |
| You want to know if task time differs between two software versions used by the same participants. What test applies? | Paired-samples t-test |
| A UX team wants to compare satisfaction scores between two unrelated groups. What test should they use? | Independent-samples t-test |
| You want to find the average satisfaction score from a survey. What measure do you use? | Mean |
| You’re analyzing data with three variables: age, device type, and satisfaction score. What analysis applies? | Multivariate |
| What is the purpose of methodological contributions in HCI? | To propose new research processes or tools |
| F5 | F5 |
| Fitts’ Law in HCI relates to: | Pointer movement time |
| In HCI, experimental units are typically: | Human subjects |
| Which design involves repeated testing over time? | Time-series design |
| Randomization in experiments helps to: | Control hidden factors |
| Loss of subjects during an experiment affects: | Internal validity |
| Which design compares groups that are likely different before the study begins? | Nonequivalent before-after |
| The Hawthorne Effect refers to: | Subjects responding differently because they are being studied |
| Significance tests are used to: | Compare observed data with hypotheses |
| Which threat involves the control group unintentionally receiving the treatment? | Treatment diffusion |
| Which design includes only a posttest after treatment? | One-shot case study |
| A study is conducted to test a new diet plan. Participants are not randomly assigned, but both groups are tested before and after. What design is this? | Nonequivalent pretest-posttest |
| A researcher notices that the control group starts using techniques from the treatment group. What threat is present? | Treatment diffusion |
| A researcher tests a new training program on one group and compares pretest and posttest scores. What design is this? | One-group pretest-posttest |
| A researcher uses a random digit table to assign participants to groups. What is the purpose of this? | Control hidden variables |
| A researcher compares two groups after treatment but did not check if they were similar before the study. What is a potential issue here? | Lack of pretest |
| A researcher compares two groups that are known to differ before the experiment. What design is this? | Nonequivalent before-after |
| A group of students drops out of a study before the posttest. What threat to validity is this? | Loss of subjects |
| In a study, participants improve performance simply because they know they are being observed What effect is this? | Hawthorne effect |
| A company tests two interface designs by randomly assigning users and measuring satisfaction before and after use. What design is this? | Pretest-posttest equivalent |
| A researcher wants to test a new keyboard layout. Participants are randomly assigned and only posttest data is collected What design is used? | Posttest equivalent |
| Which method is commonly used for randomization in modern HCI studies? | Random digit table |
| Which design uses both pretest and posttest but without random assignment? | Quasi-experimental |
| Which design compares two groups, one treated and one untreated, after treatment? | Static-group comparison |
| Which of the following is a type of true experimental design? | Solomon four-group |
| Which design is considered the most accurate in experimental research? | True experimental |
| A control group works harder to outperform the experimental group. What threat is this? | John Henry effect |
| A study compares reading speed on mobile vs desktop. The hypothesis states no difference. What type of hypothesis is this? | Null hypothesis |
| A researcher wants to test a new app feature. They randomly assign users and use both pretest and posttest. What design is this? | Pretest-posttest equivalent |
| In a study, the control group performs poorly because they feel left out of the treatment. What threat is this? | Control group demoralization |
| A study on a new medication uses random assignment and measures outcomes only after treatment. What design is this? | Posttest equivalent |
| A teacher compares two classes: one uses a new reading strategy, the other does not. No random assignment is done. What design is this? | Quasi-experimental |
| What is the primary goal of experimental research in HCI? | To identify causal relationships |
| A researcher observes that students in the control group are copying techniques from the experimental group. What threat is this? | Treatment diffusion |
| A study finds that students improved in math scores, but the improvement may be due to natural development over time. What threat is this? | Maturation |
| A researcher uses four groups to test the effect of pretesting and treatment. What design is this? | Solomon four-group |
| A control group feels discouraged because they didn’t receive the new teaching method. What threat is this? | Control group demoralization |
| In a study, students are taught using a new method Their performance is measured only after the teaching. What design is used? | One-shot case study |
| A teacher implements a new teaching strategy and measures student performance weekly for 2 months. What design is this? | Time-series |
| A researcher wants to test if a new mobile app improves user productivity. They assign users randomly to either use the app or not. What type of design is this? | True experimental |
| Children naturally improve in reading over time, regardless of treatment. What threat is this? | Maturation |
| F6 | F6 |
| What is the square of the standard deviation called? | Variance |
| What is the main purpose of statistical analysis in HCI? | To find patterns and relationships in data |
| What is the first step in quantitative data analysis? | Cleaning up data |
| What does covariance measure? | Joint variability of two variables |
| What does Pearson’s r measure? | Correlation |
| In SPSS, how should data be arranged for a paired-samples t-test? | In separate columns for each group |
| What is the formula for degrees of freedom in a chi-square test? | (Rows - 1) × (Columns - 1) |
| What does standard deviation measure? | Spread of data |
| What is the formula for calculating range? | Highest value - lowest value |
| What is the purpose of coding data before analysis? | To prepare data for statistical software |
| What is the most frequently occurring value in a data set? | Mode |
| What is the range of values for Pearson’s r? | -1 to 1 |
| Which analysis method is used when comparing two unrelated groups? | Independent-samples t-test |
| What is the central value in a data set called? | Median |
| Which test is used to analyze the association between categorical variables? | Chi-square test |
| What type of data involves two variables? | Bivariate |
| What type of data involves three or more variables? | Multivariate |
| What software is commonly used for statistical analysis in HCI research? | IBM SPSS |
| What does a frequency distribution table show? | Data and how often they occur |
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user-1835460