Art therapy is a common tool to use with children who have a hard time bonding with a therapist and opening up during therapy sessions. Dr. Contos wants to examine if children who participate in art therapy (M.48, SD.67) score lower on levels of anxiety(0-25) than children who participate in other forms of therapy (M.11, SD.58). She interviews 25 children in each group for a total of 50 children.
A. What are the independent and dependent variables and how are each scaled?
Independent:________________________ Scaling:_____________________________
Dependent:__________________________ Scaling:_____________________________
B. What test should Dr. Contos use?__________________________________________________
C. Why that test?
D. What are the null and alternative hypotheses for that test?
E. What are that tests assumptions?
F. What are the df?________________________
G. What is the critical value for p=.05? _________________________
H. If Audi calculates a test statistic of 4.76, should they (2 pts)? Retain H0 Reject H0
I. Interpret the findings: