a-IPC Exam questions well answered
graded A+ passed
Studies preventions and treatments for diseases; investigator manipulates which groups receive
agent under study - correct answer ✔✔experimental design
studies causes, preventions, and treatments for diseases; investigator passively observes things
taking course - correct answer ✔✔observational study
Examines multiple health effects of an exposure; subjects defined according to exposure and
followed by disease occurrence - correct answer ✔✔cohort
examines multiple exposures in relation to disease; subjects defined as cases and controls;
exposure histories compared - correct answer ✔✔Case-control study
examines relationship bw exposure and disease prevalence in defined population at a single
point in time - correct answer ✔✔cross-sectional study
relationship between exposure an disease with population level rather than individual level -
correct answer ✔✔ecological study
A statement of "no difference." - correct answer ✔✔Null Hypothesis (H0)
rejecting the null hypothesis when it is true and attributing significance when there is none. Say
there is a difference when there is none - correct answer ✔✔type I error (incorrectly rejecting
the H0)
graded A+ passed
Studies preventions and treatments for diseases; investigator manipulates which groups receive
agent under study - correct answer ✔✔experimental design
studies causes, preventions, and treatments for diseases; investigator passively observes things
taking course - correct answer ✔✔observational study
Examines multiple health effects of an exposure; subjects defined according to exposure and
followed by disease occurrence - correct answer ✔✔cohort
examines multiple exposures in relation to disease; subjects defined as cases and controls;
exposure histories compared - correct answer ✔✔Case-control study
examines relationship bw exposure and disease prevalence in defined population at a single
point in time - correct answer ✔✔cross-sectional study
relationship between exposure an disease with population level rather than individual level -
correct answer ✔✔ecological study
A statement of "no difference." - correct answer ✔✔Null Hypothesis (H0)
rejecting the null hypothesis when it is true and attributing significance when there is none. Say
there is a difference when there is none - correct answer ✔✔type I error (incorrectly rejecting
the H0)
