Electrically stimulating parts of the brain involved in memory, such as the hippocampus, increases long-term potentiation

Twin studies of anxiety disorders indicate that generalized anxiety disorder has a heritability of

a. around 20 to 30 percent. b. less than 5 percent. c. over 50 percent. d. almost 100 percent.

Regarding usability testing, which of the following statements is FALSE?

a. Usability testing directly measures the ease with which people can learn to use a machine. b. Health and safety are important targets of usability testing. c. One form of usability testing is the situational judgments tests. d. Usability testing is a process conducted by human factors psychologists.