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5 Cards in this Set
- Front
- Back
Experimental Method
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Variables:
Independent/Dependent Group Studied: Expermiental/Control |
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Experimental Method Concerns
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Confounding variables
Selection bias Random Assignment Placebo Effect Experimenter Bias |
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Correlation
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Shows relationship between two variables.
Shows direction of relationship (+ or -) Shows strength of relationship (1.00 to +1.00) 0 shows no correlation |
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Which has the highest?
+.61 +.25 0 -.82 |
-.82 (closer to 1 on the number scale)
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Measures of centrol tendency:
Mean Median Mode |
Mean-average
Median-middle score mode-most commonly occuring score |