Multiple Choice
A cross‐sectional study finds that skull fracture is related to hyperactivity.This finding implies that
A) hyperactivity increases the risk of head injury
B) head injury increases the risk of developing hyperactivity
C) other factors increase the risk of both head injury and hyperactivity
D) any of the above may be true
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Longitudinal studies provide<br>A)stronger evidence of causality than
Q2: A researcher is studying the prevalence of
Q3: Prevalence measures whereas incidence measures<br>A)risk ratios, odds
Q5: If the risk of a disease is
Q6: An odds ratio less than 1 indicates
Q7: A study that compares the health of
Q8: A researcher calculates the risk and odds
Q9: A cohort study involves<br>A)studying a group of
Q10: Case‐control studies<br>A)identify a representative section of the