uncontrolled factors

Terms from Statistics for HCI: Making Sense of Quantitative Data

Factors that are unrelated to the thing being measured, but that affect the result. For example, if people are asked to perform a website navigation task, and some have better web skills than others, or better spatial ability. Although such effects can sometimes be measured they must often be treated as effectively random.

Defined on page 7

Used on pages 7, 106, 107