![subject](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 16:20 Tren17
Parrots can develop cognitive issues as they get older. This may compromise their memory, ability to learn, awareness, sight, and hearing. A researcher wishes to conduct a study to find which of two medicines, Medicine A or Medicine B, is more effective in improving cognitive health. A total of 150 parrots that are at least 12 years old will be randomly selected from sanctuaries around the United States. The researcher will get consent from all owners, treat the parrots for 1 year, and evaluate changes in cognitive health. Part A: How would the study benefit from adding a control group
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00, Mrlittlefish
What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3
Answers: 1
You know the right answer?
Parrots can develop cognitive issues as they get older. This may compromise their memory, ability to...
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 10.10.2021 09:20
![Konu](/tpl/images/cats/en.png)
English, 10.10.2021 09:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.10.2021 09:20
![Konu](/tpl/images/cats/biologiya.png)
Biology, 10.10.2021 09:20
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.10.2021 09:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.10.2021 09:20
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/en.png)
English, 10.10.2021 09:20