Itqualityassurance
- How do you compare SUS scores?
- Is 40 respondents enough for quantitative research?
- Is 20 respondents enough for quantitative research?
- When to use quant vs qual?
How do you compare SUS scores?
Scoring SUS
This scales all values from 0 to 4 (with four being the most positive response). Add up the converted responses for each user and multiply that total by 2.5. This converts the range of possible values from 0 to 100 instead of from 0 to 40.
Is 40 respondents enough for quantitative research?
Summary: 40 participants is an appropriate number for most quantitative studies, but there are cases where you can recruit fewer users.
Is 20 respondents enough for quantitative research?
Usually, researchers regard 100 participants as the minimum sample size when the population is large. However, In most studies the sample size is determined effectively by two factors: (1) the nature of data analysis proposed and (2) estimated response rate.
When to use quant vs qual?
Quantitative research deals with numbers and statistics, while qualitative research deals with words and meanings. Quantitative methods allow you to systematically measure variables and test hypotheses. Qualitative methods allow you to explore concepts and experiences in more detail.
