A true-false test of 20 questions is given to 10,000 students. If all the students guess on each question, how many students would you expect to get 17 or more questions correct?

Binocular disparity

A) is an important depth-perception cue. B) is usually corrected by surgery. C) is usually corrected by glasses. D) results from neural convergence. E) is mediated by the lateral geniculate.

Seven-year-old Michael does not wait his turn in the lunch line or when playing games. He often calls out in class without being called upon. What dimension of ADHD does this represent?

a. Lack of attention b. Hyperactivity c. Impulsiveness d. Low empathy