External link to 4. For each of the following studies using difference scores, test the significance using a ttest for dependent means. Number of…

4. For each of the following studies using difference scores, test the significance using a ttest for dependent means. Number of…

4. For each of the following studies using difference scores, test the significance using a ttest for dependent means. Number of Difference Scores in Sample Mean of Difference Scores in Sample Estimated Population Variance of Difference Scores Tails Significance Level (a) 20 1.7 8.29 1 (high predicted) .05 (b) 164 2.3 414.53 2 .05 (c) 15 –2.2 4.00 1 (low predicted) .01

External link to Need help with 2 pages worth of methods section.

Need help with 2 pages worth of methods section.

Design an experiment. Consider your resources (i.e. time, money, research assistants) unlimited. Your experiment should identify a group of individuals with a common behavioral problem or at risk for a problem. Your IV may be an experimental variable (i.e. a course of treatment; method of education) or your IV may be a subject variable (i.e., those who live on campus vs. those who live off […]

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