I think the answer that is not correct is number 3.
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:
<em>▪️</em><em>It is defined as total distance covered by total time </em><em>taken</em><em>.</em>
Leaves by the aorta which is the largest artery leaving the heart. They carry oxygen-rich blood away from the heart to the rest of the body's tissues.
Answer:
"attention disorders" and "children"
Explanation:
These two phrases will give her the expected disorder in children called Attention Deficit Hyperactivity Disorders,(ADHD) which she was likely searching for . it is a common mental disorder of children and teens with a gradual progression to adulthood in some cases. Children with this disorder are usually characterised with difficulty with paying attention, always hyperactive,and find it difficult to adjust their impulses, to stay at a place for long time, easily forget things, easily distracted etc
it is the commonest mental disorder of children, that is more prevalent in boys than girls.
it is manifested in adults with lack of concentration,difficulty in maintaining relationship, poor organisation.etc They are also prone to addiction.
The cause may be genetic, runs in the family,imbalances in certain neurotransmitter, trauma to the head which affect the brain, poor nutrition,. drugs use and smoking in pregnant women,and accidental exposure to certain Neurotoxins.
Medication and therapy( good education, managements )are the best methods of treatments.
