UX Survey Design and Quantitative Research 2

Question 1

What is the key difference between ordinal and interval data scales?

Accepted Answer

Ordinal data has ranked categories without equal intervals; interval data has equal intervals between values

Answer

Ordinal data has categories; interval data has a true zero

Answer

Ordinal data is numerical; interval data is categorical

Answer

Ordinal data is collected via surveys; interval data via observation

Question 2

What does a p-value below 0.05 indicate in quantitative UX research?

Accepted Answer

The result is statistically significant at the 95% confidence level

Answer

The effect size is large enough to be practically meaningful

Answer

The sample size is adequate for the study

Answer

The survey had high response quality and low dropout

Question 3

What is the Net Promoter Score (NPS) primarily used to measure?

Accepted Answer

Customer loyalty and likelihood to recommend

Answer

Task completion rate in usability tests

Answer

Time-on-task efficiency during product use

Answer

Error frequency during product interactions

Question 4

What is a double-barreled question in survey design?

Accepted Answer

A question that asks about two different things simultaneously

Answer

A question with exactly two answer options

Answer

A question that is repeated twice for validation purposes

Answer

A question that always follows another related question

Question 5

What is the primary purpose of using a screener survey before a UX study?

Accepted Answer

To filter and recruit participants who meet specific study criteria

Answer

To train participants on how to use the product

Answer

To collect baseline satisfaction data before testing begins

Answer

To measure participants' prior experience with completing surveys

Question 6

Which statistical measure is most appropriate for understanding central tendency in ordinal survey data?

Accepted Answer

Median

Answer

Mean

Answer

Standard deviation

Answer

Variance

Question 7

What does 'sample representativeness' mean in quantitative UX research?

Accepted Answer

The sample accurately reflects the key characteristics of the target user population

Answer

The sample is large enough to achieve statistical validity

Answer

All participants completed the survey correctly and without errors

Answer

The sample was randomly selected from an online panel