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Measurement and Statistics_Dasch_Date__032210

Measurement and Statistics_Dasch_Date__032210 - to control...

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Correlations in SPSS Analyze correlate Bivariate - Move scale variables that you are using over to variable box - select pearson - select one or two tailed (and state why) - click ok example: - time spent revising and exam performance is a medium effect with a positive correlation coefficient of determination = 15.8% (.158) - time spent revising and exam anxiety is a large effect with a negative correlation coefficient of determination = 50.3% (.503) - exam anxiety and exam performance is a medium effect with a negative correlation coefficient of determination = 19.4% (.194) Partial - move 2 variables you’re correlating to variable box and variable you’re controlling for
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Unformatted text preview: to control box • on homework must do all possible combinations ←- select one or two tailed (and state why) • choosing one or two tailed changes the significance (p-value) ←- click ok ← ← example: ←- exam anxiety and performance controlling for time spent revising • has a small effect with a positive correlation ← **make sure you state which variable you’re controlling for ←- time spent revising and exam performance is not significant ←- time spent revising and exam anxiety is a large effect with a negative correlation ←...
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  • Spring '08
  • Hoffman
  • Correlation and dependence, Pearson product-moment correlation coefficient, Spearman's rank correlation coefficient, exam anxiety

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