child psychologist treats four children who are afraid of snakes with a behavior

Question

child psychologist treats four children who are afraid of snakes with a behavioral modification procedure they are of the snake before the first session (baseline) and following each l data are listed in the table. sessions. Children rated how fearful treatment session. Higher ratings indicated greater fear. The Baseline 1 23 4 75 43 6 6 4 4 7 5 43 df MS Fobt Variation Between groups Between persons Within groups (error) Total (b) Compute a Bonferroni procedure and interpret the results. (Assume experimentwise alpha equal to 0.05 O Ratings of fear significantly decreased from baseline to Session 4. tinns of frar significantly decreased from Session 1 to Session 4. Ratings of fear also significanth

Explanation / Answer

a)

ANOVA Source of Variation SS df MS F between groups 2.6875 3 0.895833333 0.941605839 between persons 23.6875 3 7.895833333 Error 8.5625 9 0.951388889 Total 34.9375 15

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