Question

question 2 (mandatory) (2 points)
the statements below represent each step of the scientific method based upon a research study conducted about the effects of fast food reported by abc news, which you can view here.
choose which step of the scientific method is represented by this statement:
an experimental group of 20 subjects will consume an extra 1000 calories per day from fast food, in addition to their normal daily caloric intake. a control group of 20 subjects will not consume an extra 1000 calories from fast food and will continue with their normal diet. the blood pressure of each subject in both groups will be recorded once per week for eight weeks.
a) hypothesis
b) experiment

Explanation:

The statement describes setting up groups (experimental and control), manipulating a variable (fast - food calorie intake), and measuring a result (blood pressure). This is characteristic of conducting an experiment in the scientific method. A hypothesis is a proposed explanation or prediction, which is not what this statement represents.

Answer:

B. Experiment