experimental design Flashcards

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1
Q

What is meant by repeated measures?

A

Each participant takes part in both conditions of the experiment

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2
Q

What is meant by independent groups?

A

Each participant is selected for either the experimental group OR the control group- they only take part in one condition

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3
Q

What is meant by matched pairs?

A

Each participant is selected for only one group but are matched based on some factor which is relevant to the experiment

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4
Q

advantages/disadvantages of independent groups

A

advantages:
-no order effects
-avoids demand characteristics

disadvantages:
-cannot control individual differences, one group may simply just be ‘better’ or ‘worse’
-requires twice as many participants

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5
Q

advantages/disadvantages of matched pairs

A

advantages:
-individual differences can be limited
-order effects are eliminated

disadvantages:
-some individual differences may remain

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6
Q

advantages/disadvantages of repeated measures

A

advantages :
-no individual differences between the groups
-fewer participants are required

disadvantages:
-order effects
-demand characteristics

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