Effect Analysis, Confounding and Bias* Flashcards
1
Q
meta-analysis
A
stat method of combining individual results from similar studies
2
Q
pooled analysis
A
involves combining original data
3
Q
what are the 3 factors that affect internal validity?
A
selection bias, information bias and confounding
4
Q
what 2 things may limit external validity?
A
- if study is not internally valid and 2 if the population is narrowly selected.
5
Q
non differential (random) misclassification
A
misclassification occurs with the same frequency of ALL study groups (case/controls or exposed/unexposed)
6
Q
confounding
A
third factor. ie. age
