question 8\nin a good experiment, how many variables should be changed while collecting data?\na only 1\nb…

question 8\nin a good experiment, how many variables should be changed while collecting data?\na only 1\nb all variables should be changed at the same time\nc 2\n1 point\ndetails & information\nassessment due date 9/15/25, 4:00 pm (edt)\ngoals & standards aligned with 1 goal\nattempts 2 attempts left\ngrading maximum points

question 8\nin a good experiment, how many variables should be changed while collecting data?\na only 1\nb all variables should be changed at the same time\nc 2\n1 point\ndetails & information\nassessment due date 9/15/25, 4:00 pm (edt)\ngoals & standards aligned with 1 goal\nattempts 2 attempts left\ngrading maximum points

Answer

Brief Explanations:

In a well - designed experiment, to clearly determine the effect of a particular factor on the outcome, only one variable should be changed at a time while keeping all other factors constant. This allows for accurate identification of cause - and - effect relationships.

Answer:

A. only 1