5. Selection of Patients
Gather 1000 patients with cholesterol equal to or above
240 Mg/Dl
Number patients 0-1000
Using a random number generator, produce 500
unique numbers
The 500 numbers selected correspond to the 500
subjects receiving a treatment
6. Treatments
Treatment A is experimental group
8 oz of Oat bran every day for a month
Treatment B is control group
No oat bran
Vs.
7. Treatments
The 500 patients’ number will be randomly entered
into a random number generator
250 numbers will be chosen
They will receive Treatment A
The other 250 will receive Treatment B
8. Blocking is used
Blocking will be done by separating genders before
random assignment.
Cholesterol has different effects in men and women.
Blocking will allow the tester to compare reductions in
cholesterol per gender.
9. cholesterol
Men
Randomly Assigned
500 patients with
high
Randomly Assigned
Women
Treatment A (oat bran)
Treatment B (no oat bran)
Treatment A (oat bran)
Treatment B (no oat bran)
Compare
reduction in
cholesterol
Compare
reduction in
cholesterol
10. Blinding
Blinding is not necessary
The results are not opinionated
The results are quantitative
numbers that will be collected
through medical tests done by
authorized doctors.
11. Placebo
A placebo is not necessary
There is no need to change the perception of the
subjects because the results of treatments will not be
opinion based.
Giving the patients something else to eat, even though
it is not oat bran, may skew the results.
12. Variables
The variable that will be measured and compared is
the cholesterol level of patients before and after the
month of eating or not eating oat bran.
Dividing the patients into gender allows for a useful
comparison to see if there is any change in cholesterol
level within males or females
