208k views
1 vote
In a controlled experiment, how many variables are changed/

manipulated
from the control group to form the experimental group?

A) no variables are changed
b) only one
c) two or more
d) all variables

2 Answers

4 votes
Answer: I think b

Step-by-step explanation:
User Thorarin
by
4.9k points
1 vote
b is the answer, only one
User Alanhchoi
by
5.4k points