par Vanessa Meza Il y a 6 années
94
Plus de détails
Disadvantages: - relationship b/w exposure and disease may be difficult to establish - Does not reflect a casual relationship
Disadvantages: - Ecological fallacy-placing characteristics of a group to every individual in that group
Disadvantages: - No cause/effect relationship - Doesn't assess disease frequency
Disadvantages: - No generalization - No cause/effect relationship