Myelin is important to intelligence because it ______.
A. prevents memory from decaying
B. speeds nerve conduction
C. aids in amount of neural branching
D. cushions the nerve
Answer: B
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If the selection rate for any of the protected groups is less than 80% of the selection rate for either white applicants or males, the test is considered to have _______
a. differential validity b. adverse impact c. selection bias d. known group validity
When Cameron was born, he was blue from head to toe as a result of having his umbilical cord wrapped around his neck. This severe restriction of oxygen to his body is called
a. anorexia. c. anomaly. b. anoxia. d. animism.
Which of the following statements is not true regarding achievement tests?
A) They can be administered to large groups of people. B) They can be used to predict the performance of children in untested environments. C) They are often standardized and norm-referenced. D) They can be used to screen children for learning problems.
According to the Yerkes-Dodson Law, lower levels of arousal ________
a. are best when performing simple tasks b. are best when performing complex tasks c. are best for performing all tasks, whether simple or complex d. always disrupt performance of a task