Midterm Evals - October 2019 Flashcards
Descriptive studies do
Draw inferences about cause and effect
Commonly used control group
Hospital-based
Best control group
Population-based
Unit of measurement in case control
Odds ratio
Inappropriate conclusion on an individual absed on ecological date
Ecological Fallacy
Group of individuals as a whole is used to determine efficacy of a drug/procedure
Community trial
To test BCG vaccination
Preventive/Prophylactic trials
Type of clinical trial when investigator intervenes before a disease has developed
Intervention
Type of clinical trial given in an attempt to relieve smptoms
Therapeutic
To test efficacy of a preventive/therapuetic agent or procedure
Clinical trial
Experimental is the same with ___ because it requires follow up
Cohort
Study design considered as “prevalence study”
cross sectional
Cohort
incidence
Ratio between incidence of exposed and non-exposed-
relative risk
Why compute sample size-
POPULATION IS LARGE, TIME CONSTRAINT,HUMANPOWER CONSTRAINT,
BUDGET CONSTRAINT