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2. 1 A 2×3 factorial MANOVA was used to determine the effect of Treatment (Meds, Psychotheraphy and
Placebo) and gender (Male and Female) on symptomatic improvement (measured by indexes of both
worry and general emotion). Significant effect of treatment was found on combined dependent
variables, F(4, 186)=10.270, p<0.001; Wilks’ Λ=0.671
2 One way MANOVA was conducted to determine the effect of Treatment (Meds, Psychotherapy
and Placebo) on symptomatic improvement (measured by indexes of both worry and general emotion) for
both male and female. Post Hoc result for male shows that average index of worry for meds (M=26.68,
sd=7.38) is significantly lower than that of psychotherapy (M=41.75, sd=7.26), p<0.001. Similarly,
average index of worry for meds (M=26.68, sd=7.38) is significantly lower than that of placebo
(M=40.66, sd=1.69), p=0.012. Average index of worry for placebo (M=40.66, sd=1.69) is not significantly
lower than that of psychotherapy (M=41.75, sd=7.26),p=0.914. On the other hand, average index of
Emotion for meds (M=27.70, sd=9.86) is significantly lower than that of psychotherapy (M=46.33,
sd=8.73), p<0.001. Average index of emotion for meds (M=27.70, sd=9.86) is significantly lower than that
of placebo (M=45.59, sd=1.65), p=0.011. Average index of worry for placebo (M=45.59, sd=1.65) is lower
than that of psychotherapy (M=46.33, sd=8.73), but not significant p=0.914. This result shows that Meds
has the lowest score for both index of emotion and worry. Thus, Meds is the most effective
treatment for males.
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3. 3 One way MANOVA was conducted to determine the effect of Treatment (Meds, Psychotherapy and
Placebo) on symptomatic improvement (measured by indexes of both worry and general emotion) for both
male and female. Post Hoc result for female shows that average index of worry for meds (M=26.61, sd=8.31) is
significantly lower than that of psychotherapy (M=33.85, sd=6.33), p=0.012. Similarly, average index of
worry for meds (M=26.61, sd=8.31) is significantly lower than that of placebo (M=38.83, sd=4.97),
p<0.001. average index of worry for psychotherapy (M=33.85, sd=6.33) is significantly lower than that
of placebo (M=38.83, sd=4.97),p=0.023. On the other hand, average index
of Emotion for meds (M=14.03, sd=8.5) is lower than that of psychotherapy (M=17.07, sd=6.71) but not
significant, p=0.398. Conversely, average index of emotion for meds (M=14.03, sd=8.5) is significantly lower
than that of placebo (M=20.31, sd=7.5), p<0.04. Average index of worry for psychotherapy (M=17.07,
sd=6.71) is lower than that of placebo (M=20.31, sd=7.5), but not significant p=0.239. This result shows that
Meds has the lowest score for both index of emotion and worry. Thus, Meds is the most effective treatment for
females.
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6. Based on observed means.
The error term is Mean Square(Error) = 34.256.
*. The mean difference is significant at the .05 level.
a. Gender = Females
Psychotherapy
Meds
Placebo
Meds
Worry Psychotherapy
Placebo
Meds
Placebo
Psychotherapy
4.99*
2.120 .023 .72 9.25
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7. a. Gender = Males
Treatment Mean Std. Deviation N
Meds Psychotherapy
Emotion
Placebo
Total Meds
Psychotherapy
Worry
Placebo
Total
27.70 9.863 26
46.33 8.730 22
45.59 1.653 2
36.61
26.68
13.048
7.379
50
26
41.75 7.260 22
40.66 1.691 2
33.87 10.374 50
Descriptive Statisticsa
a. Gender = Females
Descriptive
Statisticsa
Treatment Mean Std. Deviation N
Meds Psychotherapy
Emotion
Placebo
Total Meds
Psychotherapy
Worry
Placebo
Total
14.03 8.499 8
17.07 6.709 10
20.31 7.498 32
18.66
26.61
7.743
8.305
50
8
33.85 6.330 10
38.83 4.973 32
35.88 7.309 50
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9. Based on observed means.
The error term is Mean Square(Error) = 52.571.
*. The mean difference is significant at the .05 level.
a. Gender = Males
Placebo
Meds
Worry Psychotherapy
Placebo
Meds
Placebo
Psychotherapy
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