lesson 5 Flashcards
1
Q
Sampling bias
A
When the sample does not closely represent the population
2
Q
Response bias
A
When respondents change their answers to influence the results, to avoid embarrassment, or to give the answer they think the questioner wants
3
Q
Measurement bias
A
When the collection method is such that the characteristics are consistently over or under
4
Q
Non-response bias
A
When the opinions of respondents differ in meaningful ways from those of non-respondents