Cohort Study vs. Case-control Study
Not what you're looking for?
Why is cohort studies more expensive than case-control studies? I know one problem is cohort studies often must be followed up for a long period to determine whether the outcome of interest has developed and they are more expense than case-control studies. What other rationale explains why cohort studies are more expensive than case-control studies?
Purchase this Solution
Solution Summary
Through definition and a solid rationale, this solution explains why cohort studies are more expensive than case-control studies.
Solution Preview
Hi,
Interesting question! Let's take a closer look!
1. Why are cohort studies more expensive than case-control studies? I know one problem is cohort studies often must be followed up for a long period to determine whether the outcome of interest has developed and they are more expense than case-control studies. What other rationale explains why cohort studies are more expensive than case-control studies?
First, long follow-ups are expensive in terms of paying the researcher and travel expenses (researcher and/or participants).
Second, some participants are also more costly than other participants, such as the needs for routine medical examination and sometimes laboratory investigations (2) and perhaps setting up a clinic to provide the people in the control group intervention (1). For example, "in cohort or survey techniques for incidence and prevalence of various diseases, a major issue that has to be considered is how much of intervention is justified and whether one is justified in withholding interventions. For example, if you are looking at longitudinal morbidity in a population group, should you give them health education that is well established with ...
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.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
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.