The answer is Legal issues. (This question is from the Summer school website called APEX)<span />
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.
estrus is a type of good stress,, which helps motivate one to do certain things. knowing this,, your correct answers are going to be that it improves performance and that it helps you maintain motivation and focus you energy. the rest of your options have to do with negative effects of stress,, which is not what estrus is.
Answer:
This person will exhibit symptoms of phenylketonuria.
Explanation: