![subject](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 05:00 lukeakalucas
The difference between an observational study and an experiment is that
O in an observational study, only one group is studied, and in an experiment, two groups are studied.
in an observational study, the researchers do not control treatment, and in an experiment, they do.
• in an experiment, cause-and-effect is analyzed, and in an observational study, it is not.
®
in an experiment, one group is studied over a short period of time, and in an observational study, the group is
studied over a longer period of time.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:50
What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag
Answers: 1
You know the right answer?
The difference between an observational study and an experiment is that
O in an observational stud...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.06.2021 14:00
![question](/tpl/images/cats/ekonomika.png)
Business, 29.06.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.06.2021 14:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mir.png)
World Languages, 29.06.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.06.2021 14:00
![question](/tpl/images/cats/en.png)
English, 29.06.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.06.2021 14:00
![question](/tpl/images/cats/biologiya.png)
Biology, 29.06.2021 14:00
![question](/tpl/images/cats/en.png)
English, 29.06.2021 14:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2021 14:00
![question](/tpl/images/cats/ekonomika.png)
Business, 29.06.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2021 14:00
![question](/tpl/images/cats/mat.png)