To investigate the effects of a new drug for hyperactivity, one group of children is given this new drug, while the other group is given a placebo. The researcher labels the drug and placebo will letter names and then has his assistant administer the pills and collect the data. Neither the research assistant nor the children will known who is getting the placebo and who is getting the new drug
until the end of the experiment. This researcher is using a
a. double-blind experiment to minimize research participant bias and researcher bias.
b. single-blind experiment to minimize observer bias and the observer effect.
c. natural experiment that incorporates random selection and random assignment.
d. placebo effect to maximize the self-fulfilling prophecy.
A
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Regarding causes of suicide, which of the following statements is false?
a. Suicide may be linked to irregularities in serotonin functioning in the brain that leads to a disinhibition effect. b. Suicide is closely linked to mood disorders. c. Adolescents who have a friend who attempted suicide are less likely than their peers to attempt suicide themselves. d. Suicidal people may have fewer coping responses, leaving them especially vulnerable to exit events. e. Suicides are linked to exit events that leave people feeling stripped of social support.
One reason psychologists believe that there is a phonological rehearsal loop in Short-Term Memory is Sperling's (1963) finding that
a. some people remember sounds better than other people. b. people sometimes recall incorrect letters that sound like the correct ones. c. it is impossible for people to rehearse images. d. nonverbal information must be converted into verbal information before it can be stored in STM.
______ twins are identical twins, resulting from a zygote dividing during the first two weeks of gestation.
What will be an ideal response?
According to Jung, the part of the unconscious that consists of forgotten memories and repressed experiences from one's past is called the:
A. collective unconscious. B. personal unconscious. C. Oedipus complex. D. Electra complex.