Jenny is researching food portion sizes. During her research, she learned about the cause and effect...

Jenny is researching food portion sizes. During her research, she learned about the cause and effect relationships shared between different diets and their portion sizes. Which of the following research methods determines cause and effect relationships in nutrition?

Clinical trials

Correlation studies

Observational trials

Epidemiological studies

Plant studies

Solutions

Expert Solution

Clinical trials

These are the scientific studies. This is conducted to find better way to prevent, screen,diagnose or treat diseases.It is also used high quality data to take the better health care decision .

Eg:Testing the efficacy of a drug

2. Correlational studies

It is a non experimental research.In this type researcher measures two variables and assess the correlation between them.

Eg:Correlation between cancer and marriage

3. Observational trials

These are the fundamental part of the epidemiological research.In this study researcher observes the individuals without any manipulation or intervention.Researcher observes the effect of risk factor, diagnosis or treatment with out changing anything.The 2 types of observational studies are cohort study and case control studies.

Eg:Effect of eating organic foods on over all health

4. Epidemiological studies

Epidemiological studies are conducted to evaluate the relationship between the cause and effect.

Eg: Effect of smoking and lung cancer

5. Plant studies

Study of plants are called botony.It is a branch of biology.

As per the above given information the research method explains the cause and effect are epidemiological studies

Nightingale answered 1 year ago

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