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18 Cards in this Set
- Front
- Back
What is an independant variable? |
The variables you change in your research |
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What is a dependant variable? |
The variables you measure in your research |
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What are extraneous variables? |
Variables other than the IV that can affect the DV |
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What is a matched pairs design? |
When participants are matched based on cimilar characteristics that are being tested in the study |
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What is a repeated measures design? |
When there's only one group of participants who sit both variables in a study. |
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What is an independant groups design? |
When there are two groups of participants who only sit one variable of the study that's being tested |
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What is the fatigue effect? How is it counteracted? |
The effect on a participants performance in the second condition of a study due to already completing the first condition. |
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What are the positives of matched pairs design? |
Individual differences are less likely to impact the findings and are more controlled |
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What are the negatives of matched paris desgin?
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Impossible to match participants exactly on all variables |
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What are the positives of independant groups design? |
No fatigue/order effects as participants only sit one condition |
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What are the negatives of independant groups design? |
Participant variables can impact the findings |
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What are the positives of repeated measures design? |
Less participants required as they sit both conditions |
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What are the negatives of repeated measures design? |
Participants may work out the aim of the study or suffer fatigue effects due to doing both conditions one after the other |
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How are the issues of fatigue effect reduced during repeated measures design? |
Counterbalancing. Group A do condition 2 first and Group B do condition 1 first, then they swap |
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When is a one tailed hypothesis used? |
When there is no prior research in the area of research being investigated |
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When is a two tailed hypothesis used? |
When there's prior research and findings in the area of research being investigated |
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What's an example of a one tailed hypothesis? |
There will be a difference in the behaviour of participants who drink a cup of black coffee and then sit a short maths test than participants who do not drink a cup of black coffee before the test. |
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What's an example of a two tailed hypothesis? |
Participants who drink a cup of black coffee before they sit a short maths test will score higher than participants who do not drink a cup of black coffee before they sit a maths test |