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Perform an F test on the data from Bandura and colleagues' phobia treatment study (problem). Write a conclusion.
problem The best way to cure phobias is known. Bandura, Blanchard, and Ritter (1969) conducted an experiment that provided individuals with one of four treatments for their intense fear of snakes. One group worked with a model-a person who handled a 4-foot king snake and encouraged others to imitate her. One group watched a film of adults and children who enjoyed progressively closer contact with a king snake.
A third group received desensitization therapy, and a fourth group served as a control, receiving no treatment. The numbers of snake-approach responses after treatment are listed in the table. Name the independent variable and its levels. Name the dependent variable. Compute SStot, SStreat and SSerror.
Model
Film
Desensitization
Control
29
22
21
13
27
18
17
12
16
9
15
14
6
let et wn02. state for each of the following model whether it is stationary and whether it is invertible. explain your
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