Question
Problem 2: A developmental psychologist would like to determine whether infants display any color preferences. A stimulus consisting of four color patches (red, green, blue,
Problem 2: A developmental psychologist would like to determine whether infants display any color preferences. A stimulus consisting of four color patches (red, green, blue, and yellow) is projected onto the ceiling above a crib. Infants are placed in the crib, one at a time, and the psychologists records how much time each infant spends looking at each of the four colors. The color that receives the most attention during a 100-second test period is identified as the preferred color for that infant. The preferred colors for a sample of 80 infants are shown in the following table:
Red | Green | Blue | Yellow |
25 | 18 | 23 | 14 |
a. Do the data indicate any significant preferences among the four colors? Use a = .05. [Note. Provide evidence to support your decision.]
b. Write a sentence showing how the outcome of the hypothesis test would appear in a research report.
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