Which of the following was a classic pseudoscientific theory that related bumps on the head to personality traits and did not disappear until well into the twentieth century?

Between ________ of school children suffer from a learning disorder, most commonly ________.

a. 5 and 10%; dysgraphia b. 12 and 20%; dyscalculia c. 5 and 10%; reading disorder d. 12 and 20%; dyslexia

What is the first sleep stage that most people enter each night when sleeping?

What will be an ideal response?