Question

Daniel 8.5.2 (15 pts) Researchers at a trauma center wished to develop a program to help brain-damaged trauma victims regain an acceptable level of independence... a) State the degrees of freedom in the physical therapy, psychiatric treatment, interaction, and error 6. terms, and compute the three critical value of the test statistic for α-0.05 in Excel. Show the equation you entered into Excel for each value b) Perform an ANOVA in JMP. Turn in the JMP printout and box each of the three Variance Ratios and their associated p-values. Can one conclude on the basis of these data that the different psychiatric treatment programs have different effects? Can one conclude that the physical therapy programs differ in effectiveness? Can one conclude that there is interaction betwcen psychiatric treatment programs and physical therapy programs? 8.5.2. Researchers at a trauma center wished to develop a program to help brain-damaged trauma victims regain an acceptable level of independence. An experiment involving 72 subjects with the same degree of brain damage was conducted. The objective was to compare different combinations of psychiatric treatment and physical therapy. Each subject was assigned to one of 24 different combinations of four types of psychiatric treatment and six physical therapy programs. There were three subjects in each combination. The response variable is the number of months elapsing between initiation of therapy and time at which the patient was able to function independently. The results were as follows: Psychiatric Treatment Physical Therapy Program 11.0 9.6 10.8 9.4 9.6 9.6 12.5 11.5 10.5 13.2 13.2 13.5 10.5 11.5 12.0 10.8 10.5 10.5 10.5 11.8 11.5 15.0 14.0 12.0 11.5 11.8 11.5 11.5 12.3 11.8 11.8 12.3 12.8 13.7 13.1 (Continued) EXERCISES 371 Psychiatric Treatment Physical Therapy Program 11.5 11.8 10.5 13.7 13.5 12.5 14.0 15.0 14.0 9.4 IV 10.8 11.0 11.2 10.0 11.2 11.8 10.2 14.4 14.2 13.5 13.0 14.2 13.7 11.2 10.8 11.8 10.8 11.5 10.2 11.5 10.2 11.5 11.8 12.8 12.0 VI

Answer 1

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