UED 691
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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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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