1. In the following study, participants were randomly assigned to receive humanistic therapy, psychodynamic therapy, or...
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1. In the following study, participants were randomly assigned to receive humanistic therapy, psychodynamic therapy, or behavioral therapy for their depression. Six months after therapy ended, participants' levels of depression were rated on a Likert scale from 1 (not at all depressed) to 15 (extremely depressed). GROUP N MEAN 1 (humanistic) 10 5.40 2 (psychodynamic) 10 7.50 3 (behavioral) 10 5.60 ONEWAY ANOVA: THERAPY by DEPRESSION SOURCE BETWEEN GROUPS WITHIN GROUPS TOTAL Mean 5.40 7.50 5.60 SUM OF SQUARES THERAPY Grp 1 Grp 2 Grp 3 26.87 203.30 230.17 POST HOC TEST: Tukey-HSD with significance level.05 * Indicates significant differences shown for pairings G STD DEV 2.17 G T P 2.84 3.13 G OLAN DF 2 27 P woma T P STD ERROR 0.69 0.90 0.99 MEAN SQUARES 13.73 7.53 FRATIO 1.78 PROB 187 1. Is this a two-group design or a multiple-group design? How do you know? 2. This study is an independent groups design. How do you know? 3. How could you change this experiment to be a repeated measures design? 4. How could you change this experiment to be a matched sets design? 5. Is this a true experiment or an ex post facto study? How do you know? 6. What is the independent variable in this study? 7. What is the dependent variable in this study? 8. What is the scale of measurement for the dependent variable? 9. What kind of statistical analysis was conducted? 10. Did the independent variable have a significant effect on the 1. In the following study, participants were randomly assigned to receive humanistic therapy, psychodynamic therapy, or behavioral therapy for their depression. Six months after therapy ended, participants' levels of depression were rated on a Likert scale from 1 (not at all depressed) to 15 (extremely depressed). GROUP N MEAN 1 (humanistic) 10 5.40 2 (psychodynamic) 10 7.50 3 (behavioral) 10 5.60 ONEWAY ANOVA: THERAPY by DEPRESSION SOURCE BETWEEN GROUPS WITHIN GROUPS TOTAL Mean 5.40 7.50 5.60 SUM OF SQUARES THERAPY Grp 1 Grp 2 Grp 3 26.87 203.30 230.17 POST HOC TEST: Tukey-HSD with significance level.05 * Indicates significant differences shown for pairings G STD DEV 2.17 G T P 2.84 3.13 G OLAN DF 2 27 P woma T P STD ERROR 0.69 0.90 0.99 MEAN SQUARES 13.73 7.53 FRATIO 1.78 PROB 187 1. Is this a two-group design or a multiple-group design? How do you know? 2. This study is an independent groups design. How do you know? 3. How could you change this experiment to be a repeated measures design? 4. How could you change this experiment to be a matched sets design? 5. Is this a true experiment or an ex post facto study? How do you know? 6. What is the independent variable in this study? 7. What is the dependent variable in this study? 8. What is the scale of measurement for the dependent variable? 9. What kind of statistical analysis was conducted? 10. Did the independent variable have a significant effect on the
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1 This is a multiplegroup design because there are three groups humanistic therapy psychodynamic the... View the full answer
Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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