The eardrum is a
A. coiled tube in the inner ear filled with fluid that vibrates in response to sound.
B. thin membrane leading to the inner ear.
C. vibrating structure that runs through the center of the cochlea, dividing it into an upper chamber and a lower chamber and containing sense receptors for sound.
D. part of the outer ear that vibrates when sound waves hit it.
Answer: D
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Imagine you conduct a one-tailed Wilcoxon rank-sum test with the following results: Ws (n1 = 8 and n2 = 8) = 55 . What should you conclude?
a. p < .05 b. p < .01 c. p < .005 d. The result is not significant.
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Brett is three years old and is unable to jump rope like his older brothers. Which of the following is therefore most accurate about his likely development of this skill?
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