experimental design

Question 1

what are the 3 tyoes of experimantal design?

Answer 1

Independent
Repeated measures
Matched pairs

Question 2

what is independent groups design?

Answer 2

Two separate groups are involved, each group does one of the conditions of the experiment.

Question 3

what are repeated measures?

Answer 3

All participants take part in all conditions of the experiment.

Question 4

what is matched pairs?

Answer 4

Participants are matched on some variable that is important to the experiment and then one of each pair is allocated to a different condition.

Question 5

what is an issue with IGD?

Answer 5

ppts who occupy different groups are not the same in terms of ppt variables. confounding variables.

Question 6

how is this issue fixed?

Answer 6

random allocation

Question 7

what is random allocation?

Answer 7

An attempt to evenly distribute participant differences across experimental conditions in an independent group design

Question 8

what is an issue of repeated measures?

Answer 8

order affects as each ppt has to go through each condition, may remeber order or show demand characteristics

Question 9

how is this issue fixed?

Answer 9

counterbalancing

Question 10

what is counterbalancing?

Answer 10

An attempt to control for order effects in a repeated measures design: half the participants do the conditions in one order and the other half in the opposite order.
ABBA design