A testing bureau reports that the mean for the population of Graduate Record Exam (GRE) scores is 500 with a standard deviation of 90 . The scores are normally distributed. The proportion of scores between 300 and 400 is _________
a. 0.3665 c. 0.8533
b. 0.4868 d. 0.1203
D
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Four-year-old Dorrit “reads” familiar signs, but does not yet understand the symbolic function of the elements of print. Dorrit’s parents expose her to books, calendars, magazines, lists, and signs. Dorrit’s active efforts to understand written language through her informal experiences is known as __________
A) emergent literacy B) phonological speech C) private speech D) interactive reading
Skinner was to rats as Thorndike was to __________
a) cats. b) rabbits. c) dogs. d) pigeons.
Richie is at the peak of his adolescent growth spurt, so he is probably gaining as many as __________ pounds a year
a. 5 c. 25 b. 10 d. 40
It is assumed that more intelligent people excel when quick choices are required because of ______.
A. generally faster nerve conduction velocity B. a greater number of neurons C. longer neurons D. a greater number of frontal cortex neurons