Question

A study is looking to determine if healthy habits decrease the incidence of flu during the flu season at the local community health center. A brief survey is given for all patients seen at the center who agree to participate between 10/1 and 4/30. The survey asks about health habits. The doctor will determine flu severity for each patient.

1. State a directional research hypothesis using only one independent and one dependent variable.

2. State a nondirectional research hypothesis using only one independent and one dependent variable.

3. State the null hypothesis.

4. What is the unit of analysis for the study? (1 point)

5. Briefly describe the research design or study approach used in this case.

Answer 1

Briefly describe the research design or study approach used in this case

-Analytical study

- study design Cohort study that is prosective cohort study

- those who get the disease are the case and those without the disease is control, both group should be given the same healthy habits

State a directional research hypothesis using only one independent and one dependent variable

-those with flu will be given medication irrespective of the habits,

independant variable :- is the medication treatment

dependant variable:-active medication or placebo

State a nondirectional research hypothesis using only one independent and one dependent variable.

- those with increased age group is susceptible to the disease

dependant variable:- susceptible

independant variable is age

State the null hypothesis

there is no relation ship between healthy habits and occurence of flu

What is the unit of analysis for the study?

-exposure rates:- percentage

-odds ratio