A counselor predicts that an alpha blocker medication will influence social anxiety. In patients diagnosed with social anxiety, the average score is 36 on the State-Trait Anxiety Inventory (STAI). The...

A counselor predicts that an alpha blocker medication will influence social anxiety.  In patients diagnosed with social anxiety, the average score is 36 on the State-Trait Anxiety Inventory (STAI).  The counselor has 22 outside patients take the recommended dosage of the medication.  After 35 days, the counselor tested the outside patients on STAI and obtained an average of 45 and a standard deviation of 12.  What can be concluded with α = 0.05?

A)

critical value =

test statistic =

B) Compute CI

C)Compute the corresponding effect size(s) and indicate magnitude(s).

d=

r
²
=