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.
Answer:Planned Parenthood and Urgent Care
Explanation:
Answer:
make sure your buildings are in good repair.
maintain the workplace and any equipment so that it is safe and works efficiently.
put right any dangerous defects immediately, or take steps to protect anyone at risk.
take precautions to prevent people or materials falling from open edges, eg fencing or guard rails.
Explanation:
Le chômage peut être défini comme l'état d'une personne souhaitant travailler et qui est à la recherche d'un emploi