Scenario

Certified Behavior Analysts claim that their procedures are moreeffective than any other.  Their procedures are clear-cutanalytics that anyone can learn and apply. It’s not an art theyproclaim, but a science.  You decide to put it totest.  You interview and survey the parents of autistickids, loved ones of the depressed, and former sufferers of phobias,who had been treated with Behavior Therapy, Drug Therapy, and PlayTherapy.  Your survey generates a score from 1-100 withhigher values indicating greater effectiveness of the therapy and85 and above indicates complete resolution of theproblem.  

            BehaviorTherapy                   DrugTherapy              PlayTherapy

            58,65, 71,59,                         59,68, 32,44              58,61, 50, 60

            81,74, 83,63                          38,41, 30,51              64,62, 85, 57

Instructions:

1. Using the above data calculate the one-way analysis ofvariance in JASP. Report the F-ratio in APA style, including thep-value and eta-squared (treatment magnitude).

10 points

2. If the one-way ANOVA shows a significant difference among thegroups, then calculate post hoc test to determine which groups aredifferent – be sure you compare each group to each other group.Report the significant differences among the groups. If the one-wayANOVA does not show a significant difference, then state nodifference.  

15 points

3. Calculate the mean and standard deviations for all threegroups and report in an APA table. You may use the one generated byJASP.

10 points

4. Write a short APA summary of your conclusions. Make sure touse the data to support conclusions.

*Please use JASP*