a. identify the populations and the response variable. b. what is the I, n, N c. the degrees of freedom of the ANOVA F statistic
How does visual art affect the perception and evaluation of consumer products?
Subiects were asked to evaluate an advertisement for bathroom fittings that contained an art image, a nonart image, or no image. The art image was Vermeer's painting Girl with a Pearl Earring, and the nonart image was a photograph of the actress Scarlett Johansson in the same pose wearing the same garments as the girl in the painting and was taken from the motion picture Girl with a Pearl Earring. Thus the art and nonart images were a match on content. College students were divided at random into three groups of 39 each, with each group assigned to one of the three types of advertisements. Students evaluated the product in the advertisement on a scale of 1 to 7, with 1 being the most unfavorable rating and 7 being the most fa vorable. The paper reported that a one-way ANOVA on the product evaluation index had F = 6.29 with P < 0.05.13
a. identify the populations and the response variable.
b. what is the I, n, N
c. the degrees of freedom of the ANOVA F statistic.
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