Question

訪客

請問這題要怎麼解決？

11.10 Foa, Rothbaum, Riggs, and Murdock (1991) conducted astudy evaluating four mm R
types of therapy for rape victims. The Stress inoculation therapy (SIT) group Tecei
structions on coping with stress. The Prolonged exposure (PE) group went over the
in their minds repeatedly. The Supportive counseling (SC) group was tauahta
Problem-solving technique. Finally, the Waiting list (WL) control group received
apy. The data follow, where the dependent variable was the severity rating ofas
symptoms.

   
    
  
  

Group 二 Mean 。。SD,
2二WEB

SIT                14          11.07            99
PPE                  10          15.40          11.12
SC                 1           18.09            沁恰
WL                 10          19.50            全
生Run the analysis of variance, ignoring any problems with heterogeneity of
and draw whatever conclusions are warranted,
[0

Apply Welch's procedure for heterogeneous variances. Does this affe
concJusions?

e

Draw agraph showing the means ofthe four 蟬oups
d_What does rejection of 蕊 mean in this case?

變異數分析