The answer is true because participating in physical activities can improve health-related fitness
D. No child can be denied service
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.
D all the above because people have bad influences that peer pressure them into drinking also when parents get divorced that can make that person feel emotionally and hurt and the start drinking because they don't know what else to do
I know im a kid but showing them some bad after affects of the drug might scare them into not doing it.