Reverse halo effect. Aptitude tests attempt to measure one's special skills. Norms for a psychological test can be established by including many items on the test and giving it to al large number of different people. If a test is valid, it will measure what it is supposed to measure. As one increases the amount and frequency of drinking alcohol, the chances of becoming an alcoholic gets a lot higher.
Good stress is called eustress whereas bad stress is called distress .
Studies do not show an impact. One reason why acupuncture may be effective in relieving pain is because acupuncture causes the release of endorphins. Placebos may change body chemistry through the power of suggestion. Chapter 18 Behavior Disorders 1. A psychotic person is generally not out of touch with reality most of the time.