Reaction to the outside environment and or reaction to stimuli.
Answer;
One could use body mass index, waist circumference, and waist-to-hip ratio.
Explanation;
-Body mass index is a measurement of a person's weight with respect to his or her height. It is a good indicator of ones body fat.
-Waist circumference (WC) is an indicator of health risk associated with excess fat around the waist.
-Waist-to-hip ratio is the dimensionless ratio of the circumference of the waist to that of the hips.
this question is incomplete but I have added The Answer options to your question
a) He does not have a hypothesis.
b) He only has one group. He has not established a comparison
c) He has not measured an outcome.
d) The groups were not equal to begin with.
Answer:
b) He only has one group. He has not established a comparison
Explanation:
A randomized controlled experiment can be defined as an experiment that has two groups which it randomly assigns participants to.
These two groups are:
1.) the experimental group and
2.) The controlled group on whom the study is being performed.
Now Alberti does not have any of these groups we have listed. He performed the testing on the same people before they consumed alcohol and after they consumed alcohol. Therefore this study was not comparative in nature.
It is different because children heal faster than adults. Plus our bones are more grown then there's are