experimental design

Question 1

what are the two categories that experimental design can broadly be fit into?

Answer 1

• all participants do all parts of the IV
• participants are split between each part of the IV

Question 2

what are independent groups?

Answer 2

when separate groups of participants experience different conditions of the IV - the performance between these groups would be compared

Question 3

what are repeated measures?

Answer 3

when all participants are tested on all conditions of the IV - the performance between each condition would be compared

Question 4

what are the cons of using independent groups?

Answer 4

they can practice the DV that can lead to demand characteristics (order effects)

Question 5

what are matched pairs?

Answer 5

participants are paired together on variables relevant to the experiment (e.g - gender, age)

Question 6

what is counterbalancing?

Answer 6

when half the participants take part in condition A then B, and the other half take part in B then A