Lecture 5 Flashcards
Usually uses correlation statistics
Exploratory Research
Describes characteristics of groups of people or other phenomena.
Descriptive Research
Cohort study
Exploratory Research
as the quality of the evidence increase, the amount of evidence will …
Decrease
In Cohort study, participants are divided according to the …
Exposed and Unexposed
In case control, we start with …
The disease (Outcome)
Which study that Not randomly selected ?
Cohort
Which type of cohort study more expensive and consuming time ?
Prospective cohort study
Which type of study that measure the causation?
RCTs
The cohort study measures …
The incidence of disease or outcomes
Which type of bias can occur in cohort studies?
1- Selection bias
2- Misclassification on exposure
3- Confounder
The Case-Control Studies always …
retrospective
Case-Control Studies measure …
The prevalence: measure of disease frequency
What are the Three Qualities Needed to selected of controls ?
1- The Comparability of controls
2- The control should be at risk of the disease
3- The control should resemble the case in all respects Except for the presence of disease.
Which type of bias can occur in Case-Control studies ?
1- Selection bias
2- Observation bias
3- Recall bias