Experimental Design

Question 1

Condition

Answer 1

= level of the IV

Question 2

Independent measures

Answer 2

Divide participants in 2
One group does one IV
The other does the other IV e.g caffeine and no caffeine
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Question 3

Repeated measures

Answer 3

Two conditions e.g caffeine and no caffeine
Whole group does first IV
Whole group does second IV
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Question 4

Matched pairs

Answer 4

Find out about pps 
Get more pps
Match them up 
Treat it as independent measures 
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Question 5

✅❎independent measures

Answer 5

❎pps variables
Ans= random allocation

✅reduced demand characteristics

Question 6

✅❎repeated measures

Answer 6

❎order effects
❎Fatigue/ boredom effects 
❎practice effects 
Ans= counterbalancing (ABBA) spreading out of effects 
❎demand characteristics 

✅pps variables are reduced

Question 7

✅❎matched pairs

Answer 7

❎time consuming
❎hard to match pps

✅fewer pps variables
✅avoid order effects

Question 8

What is it?

Answer 8

Refers to how we use/ divide participants in an experiment