Which option is an example of an experiment?
a. recording the reaction time of participants i...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 17:00, Ryvers
Which option is an example of an experiment?
a. recording the reaction time of participants in a study who were
asked to press a button as soon as they see a certain picture on a
screen
o
b. testing the effect that eating organic food has on health by having
a group of people selected at random eat organic food for six
consecutive months and then comparing the results with a group
of people who didn't eat any organic foods during the same period
o
c. asking students in a school how much time they spend exercising
o
d. polling teenagers about their screen time in a day
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00, Jingobob442
Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30, ashtonsilvers2003
Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30, kklove6700
What is the result of adding the system of equations? 2x+y=4 3x-y=6
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, claudia3776
What does the sign of the slope tell you about a line?
Answers: 2
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 21.10.2019 14:30
![Konu](/tpl/images/cats/mkx.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 21.10.2019 14:30
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fizika.png)
Physics, 21.10.2019 14:30
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 21.10.2019 14:30