To see if breast-feeding influences the incidence of the disease rickets, researchers study rates of breast-feeding of infants with and without rickets. This is an example of
A. experimental research.
B. observational research.
C. epidemiological research.
D. double-blind placebo-controlled research.
Question 2
It is very important in a double-blind, placebo-controlled study that all of the factors that could influence the study results are
A. completely different for the groups of subjects.
B. equal and opposite for the groups of subjects.
C. kept to a minimum.
D. kept the same for the groups of subjects.
A recent study found that female baboons that groom each other are more likely to come to each other
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
Gene Therapy of Parkinson’s Disease
Oxytocin and breast-feeding.
Raynaud’s disease