Analyzing quantative data Flashcards
1
Q
Examples of quant data in hci studies
A
Key presses Mouse movements Screen touches / clicks Reading time Eye tracking… Logs of interactions are time stamped
2
Q
quant data is useful for..
A
Web studies Testing layouts, displays, interfaces Understanding reaction time Measuring features most used, speed, performance Measuring errors
3
Q
survey responses numeric data
A
Numeric responses -How many times product was purchased -How often one sends SMS Likert scale responses -Odd (e.g., 3-point, 5-point, 7-point) allow neutrality -Even forces choice Statistics can be calculated per-question and used in analysis -Mean, median, N, etc.
4
Q
AB testing
A
A/B tests are ones in which users (typically website users) are presented with one of two versions of an interface. Metrics such as click-through, purchases, time on page are then compared. Famously Facebook and other popular websites are constantly a/b testing us.
