Question: 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. A higher number of snake-approach responses indicates that the individual was willing to approach a snake more often.
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Type of Treatment
|
|
Model
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Film
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Desensitization
|
Control
|
|
29
|
22
|
21
|
13
|
|
27
|
18
|
17
|
12
|
|
27
|
17
|
16
|
9
|
Perform a hypothesis test to determine if there is a significant difference between the groups in the number of snake-approach responses. Show all necessary components of a full hypothesis test, including a source table.