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experimental design - Coggle Diagram
experimental design
repeated measures
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strengths
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allows a more accurate casual relationship to be drawn as there is two sets of results for each participant/ allows for comparison
weaknesses
the order effect may effect participants performance, e.g if participants do better on a second assessment it may be because they are practised or because they have had enough time to work out the hypothesis
dealing with limitations
counterbalancing- Each participant takes part in each condition twice
Trial 1: condition A
Trial 2: condition B
Trial 3: condition B
Trial 4: condition A
independent groups
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dealing with limitations
use random allocation to assign participants to groups, this theoretically evenly distributes participant variables
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