. Bandura et al.’s (1969) experiment provided individuals with one of four treat

Question

. Bandura et al.’s (1969) experiment 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 close contact with a king snake. A third group received desensitization therapy, and a fourth group served as a control, receiving no treatment. The number of snake-approach responses after treatment is shown in the table

Model             Film               Desensitization           Control

29                    22                    21                               13

27                    18                    17                               12

27                    17                    16                               9

21                    15                   14                               6

. State the null and alternate hypotheses in sentences, referring to the specific variables being evaluated

Explanation / Answer

The null hypothesis states that a population parameter is equal to a value. The null hypothesis is often an initial claim that researchers specify using previous research or knowledge. ... The alternative hypothesis is what you might believe to be true or hope to prove true.

H0: All the four treatments are equal vs H1: treatments are not equal

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