The concordance rate for a certain trait refers to the:
number of genes involved in determining variation in the trait among individuals.
extent to which variations in the trait among a large group of individuals can be attributed to heredity.
degree of similarity between a pair of twins for that trait.
relative influence of environmental and biological factors on the trait.
degree of similarity between a pair of twins for that trait.
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Suppose that a particular pattern of responses on a personality test is characteristic of 95 percent of people with some rare psychological disorder, and 5 percent of normal people. Would it be appropriate to use this test to identify people with that disorder? If not, why not?
a. Yes, this test would be a valid way to diagnose that disorder. b. No. The test will apply the diagnosis to more normal people than people with the disorder. c. No. A clinician should be more than 95 percent confident before making a diagnosis. d. No. Test results should be used only for research, not for diagnosis.
___________ studies allow behavioral pharmacologists to classify experimental drugs according to their subjective effects even before they have been administered to people
a. drug discrimination b. conflict paradigm c. placebo control d. classical conditioning
Tammy caught her thumb in the door. Why did her friend tell her to rub and scratch the thumb?
a. She wanted to distract Tammy from the pain. b. Based on the gate theory, this can prevent the pain message from reaching the brain. c. This would promote the release of endorphins. d. Based on the stimulation theory, this would relieve the pain.
Studies suggest that loss of sense of smell is strongly associated with developing dementia
Indicate whether the statement is true or false.