Regarding brain cells regeneration and repair, which of the following statements is FALSE?
a. Constraint-induced movement therapy involves restraining a patient's good arm, which forces his or her impaired arm to be more active and increases neurogenesis in the damaged part of the brain.
b. Doctors are testing a method in which drugs that speed up neurogenesis are injected into the damaged areas of the brain.
c. Because of aging, a healthy 75-year-old brain has only about 75 percent of the brain cells of a healthy 25-year-old brain.
d. Although the brain loses cells daily, it simultaneously grows new neurons to replace them.
C
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Using the .01 level of significance means that, in the long run,
A) a Type I error occurs 1 time in 20. B) a Type I error occurs 1 time in 100. C) a Type II error occurs 1 time in 20. D) a Type II error occurs 1 time in 100.
Critics argue that _____ research model of rats pressing levers for food reward, while generating research high in _____ validity, is limited in its _____ validity.
A) Skinner's; internal; external B) Skinner's; external; internal C) Watson's internal; external D) Watson's external; internal