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Birds use color to select and avoid certain types of food. The authors of the article “Colour Avoidance in Northern Bobwhites: Effects of Age, Sex, and Previous Experience” (Animal Behaviour [1995]: 519– 526) studied the pecking behavior of 1- day- old bobwhites. In an area painted white, they inserted four pins with different colored head. The color of the pin chosen on the bird’s first peck was noted for each of 33 bobwhites, resulting in the accompanying table.
Do these data provide evidence of a color preference? Test using a = 0.01. |
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