Examlex
The primary way to control for the potential bias due to interviewer's attitudes, opinions, perceptions, etc., is through
Death Rates
The frequency at which deaths occur in a particular population, typically expressed per 1000 or 100,000 individuals per year.
Double-Blind Procedure
A research method in which neither the participants nor the experimenters know who is receiving a particular treatment, used to prevent bias in experimental results.
Correlation
A mutual relationship or connection between two or more things, where changes in one variable might be associated with changes in another.
Negative Correlation
A relationship between two variables in which one variable increases as the other decreases, indicating an inverse association.
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