Identify the type of study and the sample methodology. A study, using a short questionnaire at the State Fair, was conducted to examine if Democrats vs. Republicans were more likel... Identify the type of study and the sample methodology. A study, using a short questionnaire at the State Fair, was conducted to examine if Democrats vs. Republicans were more likely to be diagnosed with lung cancer. Republicans and Democrats had similar demographic characteristics, with a slight variation in age. A majority of the Republicans lived in rural areas and were more likely to be older than 60. Half of the participants were Caucasian (50%), while the remaining were 30% Latino/a, 10% African American, and 10% Pacific Islander. Results showed that Democrats ( =16.2, p=.0003) were more likely to get cancer before Republicans. We concluded that there is a relationship between party affiliation and cancer.
Understand the Problem
The question asks for identification of the type of study being conducted and the sample methodology used in the research. It describes a study that examines the relationship between political affiliation (Democrats vs. Republicans) and lung cancer diagnosis rates, including information about demographics and participant characteristics.
Answer
Observational study with convenience sampling.
This is an observational study using a convenience sample methodology.
Answer for screen readers
This is an observational study using a convenience sample methodology.
More Information
Observational studies observe outcomes without intervention, and convenience sampling involves using participants who are easily accessible. In this case, the population at the State Fair was used, likely due to ease of access.
Tips
A common mistake is confusing observational studies with experimental studies, which involve manipulation of variables.
Sources
- Math In Society: Overview of the Statistical Process - spot.pcc.edu
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