experiments

Question 1

what is an experiment?

Answer 1

this is used when a researcher changes how one variable affects another.

Question 2

what is an explanatory (independent) variable?

Answer 2

the variable that is changed

Question 3

what is a response (dependant variable?

Answer 3

the variable that is measured

Question 4

what are extraneous variables?

Answer 4

additional variables that may affect the data