features of science

Question 1

what is control group?

Answer 1

recieve no treatment
- so they are not given what the researcher is testing
- alternative for e.g water

Question 2

what is experimental group?

Answer 2

• recieve the treatment
• so they are given what the researcher is testing

Question 3

what is extraneous variable?

Answer 3

something other than iv that affects dv

Question 4

what is confounding variable?

Answer 4

type of extrenous variable but it varies how much it affects dv