A psychiatrist is wants to understand the effect of rationality on phobias. The psychiatrist has maternal twin patients with Scoleciphobia. In an experiment designed to induce anxiety, the...

A psychiatrist is wants to understand the effect of rationality on phobias.  The psychiatrist has maternal twin patients with Scoleciphobia.  In an experiment designed to induce anxiety, the psychiatrist randomly assigned one of the twins to look at real worms in a small glass tank and the other twin looks at pictures of worms.  The anxiety scores for the patients are below where a higher score indicates more anxiety.  What can be concluded with α = 0.10?

A)

critical value equals=

test statistic equals=

B)

What is the CI?

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

d=

r
²