(RM) Types of Experimental Designs Flashcards Preview

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Flashcards in (RM) Types of Experimental Designs Deck (6)
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1
Q

What is Repeated Measures?

A

Participants experience all conditions

2
Q

What are the + and - of repeated measures?

A

+ No participant variables
+ Requires few participants
- Practice effects - have already done 1 condition, thus 2nd will be easier
(this can be eliminated using counterbalancing - ABBA)
- Demand characteristics

3
Q

What is Independent Groups?

A

Participants only experience 1 condition

4
Q

What are the + and - of Independent Groups?

A

+ No participants with order effects
+ Cheap
+ Quick to recruit participants
- More participants needed than with repeated measures
- May be important participant variables between people that are not controlled for

5
Q

What is Matched Pairs?

A

Participant is matched with someone with similar traits - Experience 1 condition each

6
Q

What are the + and - of Matched Pairs?

A
\+ Controls for individual differences
\+ No difference between the people in the different conditions
- Difficult to match people
- Time-consuming
- Can be costly