Bias Flashcards
1
Q
Systematic errors include (2)
A
-confounding
-bias
2
Q
Random error is
A
Chance variation
3
Q
Two types of bias are
A
-selection bias
-misclassification bias
4
Q
Misclassification bias can be
A
-differential
-non differential
5
Q
Types of selection bias (4)
A
-non-response bias
-lost to follow up bias
-exclusion bias
-survival bias
6
Q
Types of misclassification bias include
A
-recall bias
-interviewer bias
-obsequiousness bias (Clever Hans effect)
7
Q
Non differential misclassification is
A
Errors in one group are independent to the other group
8
Q
Differential misclassification is
A
Errors occur to a greater extent in one group
9
Q
Chance variation is
A
Random error (variability in data cannot be explained)