Question: A study to see whether birds remember color was done by putting birdseed on a piece of red cloth and letting the birds eat the seed. Later, empty pieces of cloth of varying colors (red, purple, white, and blue) were displayed. The birds headed for the red cloth. The researcher concluded that the birds remembered the color.
a. Using the terminology in this chapter, give an alternative explanation for the birds' behavior.
b. Suppose 20 birds were available and they could each be tested separately. Suggest a better method for the study than the one used.