Using the data from Exercise 2.16,

(c) Calculate the square root of the answer to (b).

Exercise 2.16

With reference to Exercise 2.15, the data for the Eyes Elevated condition are

Exercise 2.15

Kaufman and Rock (1962)

tested an earlier hypothesis about reasons for the moon illusion by comparing how observers performed when they were able to look at the moon with their eyes level, and again with their eyes elevated. The data for the Eyes Level condition follow:

Exercise 2.16

With reference to Exercise 2.15, the data for the Eyes Elevated condition are

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(a) Calculate (Y) and Y. (b) Given the answers to (a), calculate (ZY) N N 1