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3. Foa, Rothbaum, Riggs and Murdock (1991) ran a study to determine the effects of Stress Inoculation Therapy (SIT) on posttraumatic stress disorder (PTSD). They hypothesized that SIT would reduce PTSD symptom. They recruited 15 clients who exhibited similar PTSD symptoms. They were measured at pretreatment, posttreatment, and a 3.5-month follow up. The data is recorded in PTSD.sav. Determine if SIT was effective in treating PTSD. Report your results and interpretation with supporting summary tables in 2-3 paragraphs. Be sure to include any tests of assumptions.

Nervousness Data.sav timel time2 1 65 66 time3 63 62 time4 63 65 2 69 66 PTSD.sav 3 60 64 59 59 59 4 57 54 58 grp Pre Post Followup 11 5 62 62 54 1 1 19 6 62 671 6 66 60 57 2 2 1 28 14 16 7 58 60 53 63 78 8 83 6 6 3 3 80 1 82 18 8 9 70 68 66 65 4 1 23 6 11) 10 71 65 62 65 5 1 21 6 13 11 85 83 86 81 57 12 63 59 61 6 6 1 24 10 81 13 55 53 68 64 57 72 7 7 1 26 10 71 14 68 67 15 71 72 66 8 1 65 15 6 13 16 73 65 62 59 9 1 18 8 6 17 53 51 78 56 85 51 84 82 1 10 34 13 18 8 8 19 60 52 50 11 1 20 10 16 57 62 20 66 58 54 12 1 34 10 11 21 71 69 74 72 22 71 69 62 54 13 1 29 16 23 23 79 84 78 77 14 1 33 19 39 24 79 78 80 91 25 A 51 45 42 15 35 1 22 7 16 26 57 54 57 50 27 70 69 66 71 28 41 43 471 46 68 29 69 63 65 30 51 60 54 47 Nervousness Data.sav timel time2 1 65 66 time3 63 62 time4 63 65 2 69 66 PTSD.sav 3 60 64 59 59 59 4 57 54 58 grp Pre Post Followup 11 5 62 62 54 1 1 19 6 62 671 6 66 60 57 2 2 1 28 14 16 7 58 60 53 63 78 8 83 6 6 3 3 80 1 82 18 8 9 70 68 66 65 4 1 23 6 11) 10 71 65 62 65 5 1 21 6 13 11 85 83 86 81 57 12 63 59 61 6 6 1 24 10 81 13 55 53 68 64 57 72 7 7 1 26 10 71 14 68 67 15 71 72 66 8 1 65 15 6 13 16 73 65 62 59 9 1 18 8 6 17 53 51 78 56 85 51 84 82 1 10 34 13 18 8 8 19 60 52 50 11 1 20 10 16 57 62 20 66 58 54 12 1 34 10 11 21 71 69 74 72 22 71 69 62 54 13 1 29 16 23 23 79 84 78 77 14 1 33 19 39 24 79 78 80 91 25 A 51 45 42 15 35 1 22 7 16 26 57 54 57 50 27 70 69 66 71 28 41 43 471 46 68 29 69 63 65 30 51 60 54 47

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