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UED 691

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Question
Answer
What is correlation research?   Used to describe and measure the relationship between to more variable or sets of scores  
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What does co-vary mean?   We can predict a score of one variable  
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Why use correlation research?   To find out if two or more variables influence each other  
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What is explanatory design?   Examines where changes in one variable reflect changes in another  
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What is a predictor variable?   Used to make a forecast about an outcome  
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What is a criterion variable?   Outcome being predicted  
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Positive correlation   X and Y increase  
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Negative Correlation   X increase and y decreases  
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Linear Positive   Low scores of X correlate w/low scores of Y  
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Linear Negative   Low scores of X associated with high scores of Y (negative relationship)  
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Uncorrelated   X and Y are independent  
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Curvilinear   Increase, plateau and decline  
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Degree of Association   Reflects whether there is a consistent, predictable association between scores  
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.20-.35   Slight relationship  
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.35-.65   Useful for limited prediction  
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.65-.85   Good predictions  
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.85-above   Predictions can be considered valid  
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Created by: Sbond84
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