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| Question | Answer |
|---|---|
| Which type of question allows respondents to answer freely? | Open-ended |
| What type of case study explains practices using theories? | Explanatory |
| What is the term for the entire group researchers want to generalize to? | Target population |
| Which sampling technique gives every subject an equal chance of selection? | Probability sampling |
| What is a Likert scale used for? | Ranking preferences |
| Which is a type of quantitative data collection method? | Questionnaire |
| You pair a small lab study with a crowdsourced study. What do you achieve? | Balance feedback and scale |
| You analyze usage logs from smart glasses. What method are you applying? | Usage log analysis |
| You conduct interviews and field studies on wearables. What method is this? | Qualitative |
| You compare two versions of a website to see which performs better. | A/B testing |
| You want to reduce bias in your study. What is a benefit of crowdsourcing? | Participants unaware of study context |
| You face issues transferring sensor data to your server. What challenge? | Data transfer |
| You use microwork platforms to outsource small tasks. What technique? | Human-assisted computation |
| You post a survey link on social media to recruit participants. Advantage? | Large participant pool |
| You use reCAPTCHA to digitize old books. What are you applying? | Human computation |
| You design a wearable device and want to understand user needs first. | Needs assessment |
| What is the primary purpose of data collection in research? | To answer research questions and test hypotheses |
| What is the main advantage of interviews in HCI research? | They allow deep exploration |
| What is the role of the interviewer in a structured interview? | To remain neutral and consistent |
| Qualitative data is best used to answer which type of questions? | Why |
| What is the square of the standard deviation called? | Variance |
| What does a frequency distribution table show? | Data and how often they occur. |
| What type of data involves two variables? | Bivariate |
| What is the formula for degrees of freedom in a chi-square test? | (Rows – 1) × (Columns – 1) |
| Which analysis method is used when comparing two unrelated groups? | Independent-samples t-test |
| What is the formula for calculating range? | Highest value – lowest value |
| What is the central value in a data set called? | Median |
| What does Pearson’s r measure? | Correlation |
| What is the first step in quantitative data analysis? | Cleaning up data |
| What is the most frequently occurring value in a data set? | Mode |
| What does standard deviation measure? | Spread of data |
| Which test is used to analyze the association between categorical variables? | Chi-square test. |
| What software is commonly used for statistical analysis in HCI research? | IBM SPSS. |
| What is the purpose of coding data before analysis? | To prepare data for statistical software. |
| What is the range of values for Pearson’s r? | -1 to 1 |
| What does covariance measure? | Joint variability of two variables |
| Which analysis method is used when comparing two unrelated groups? | Independent-samples t-test |
| In SPSS, how should data be arranged for a paired-samples t-test? | In parallel rows |
Created by:
maeve_maria