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:
what is the model ?
Explanation:
a cabbage plant reproduces by making a seed. the plants produce a flower stalk that needs to be cross pollinated by insects. what this means is that the plants will not accept their own pollen and need the pollen of other cabbage plants.
<span>Leaders enable others to be successful, serve as role models, and create opportunities. They develop action plans that build accountability, reliability, predictability, and persistence. Leaders work hard to develop subordinates so that they may in turn be able to delegate to them.</span>
