Identify what kind of investigation it is

Reference no: EM13522490

Here is a short essay about investigation. There are also four questions/tasks; write a paragraph to answer each one of them.

1. Identify the causal hypothesis at issue.
2. Identify what kind of investigation it is.
3. There are control and experimental groups. Sate the difference in effect (or cause) between the control and experimental groups. 4. State the conclusion you think is warranted by the report.

Scientists have learned thta people who drink wine weekly or monthly are less likely to develope dementia, including Alzheimer's disease. (Daily wine drinking however, seems to produce no protective effect). The lead researcher was Dr. Thomas Truelsen of the institute of preventive medicine at Kommunehospitalet in Copenhagen. The reserachers identified teh drinking patterns of 1,709 perople in Copenhagen in the 1970's and then assessed them for dementia in the 1990's when they were aged 65 or older. When they were assessed two decades later, 83 of the participants had developed dementia. People who drank beer regularly were an increased risk of devloping dementia.

Reference no: EM13522490

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