matched pairs

Question 1

strength: reduces individual differences

Answer 1

matches ppts based on variables important to research, researcher can be more sure that any changes to the DV are due to the IV not any other variables

Question 2

strength: no order effects

Answer 2

ppts only take part in one condition, will not get bored or fatigued, no lasting effects carry over from one condition to the other, unlike repeated measures

Question 3

weakness: time consuming

Answer 3

match up and find similar ppts, especially if pre-test needed to match certain characteristics, very large pool of people needed

Question 4

weakness: individual differences can’t be fully eliminated

Answer 4

not able to match ppts on all variables, could question the validity of matched pairs design, unlike repeated measures