Was the Scientific method followed? How? What pieces were or were not part of it? (Randomization, study type, placebos, etc.)

Consider research you have read about or been a part of and analyze the following in one page:

Was the Scientific method followed? How?
What pieces were or were not part of it? (Randomization, study type, placebos, etc.)

How can it help us learn about basic principles of behavior?
How can you use the scientific method to find and address possible problems in your research design?