Cohort Studies.
Not what you're looking for?
In cohort studies of the role of a suspected factor in the etiology of a disease, it is essential that: The exposed and non-exposed groups under study be as similar as possible with regard to possible confounding factors.
The Review Questions answers do not address (why nots)...So why is the answer not: There should be equal numbers of persons in both study groups???
Purchase this Solution
Solution Summary
The solution examines Cohort Studies of the role of a suspected factor in the etiology of a disease.
Solution Preview
Equal number of perswon in each group does not ensure that the groups are similar. When we are measuring effect of a treatment, we need to ensure that the effect of all the factors which are not being measured ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.