Question

A child psychologist treats four children who are afraid of snakes with a behavioral modification procedure...

A child psychologist treats four children who are afraid of snakes with a behavioral modification procedure called systematic desensitization. In this procedure, children were slowly introduced to a snake over four treatment sessions. Children rated how fearful they are of the snake before the first session (baseline) and following each treatment session. Higher ratings indicated greater fear. The hypothetical data are listed in the table.

Sessions
Baseline 1 2 3 4
7 7 5 4 3
7 6 6 4 4
6 6 7 7 3
7 7 5 4 3

(a) Complete the F-table. (Round your value for F to two decimal places.)

Source of
Variation
SS df MS Fobt
Between
groups
Between
persons
Within
groups (error)
Total
0 0
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