If two variables have no correlation with each other, this means that
a. you can only predict one of the two variables
b. when one is higher, the other is lower
c. they are probably very similar
d. you cannot predict one from the other
Answer: d. you cannot predict one from the other
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The approximate ages of Piaget's sensorimotor period of cognitive development is a. birth to 2 years
b. 2 years to 7 years. c. 7 years to 11 years. d. 11 years through adulthood.
Regarding cultural differences in expressed emotion, which is thought to be positively correlated with schizophrenia, research has found that ________ families have the highest percentage of expressed emotion
a. Indian b. Mexican c. British d. Anglo-American
Regarding patterns of suicide, which of the following statements is FALSE?
a. Four times as many men complete suicide, but women make more attempts. b. Marriage, when successful, may be the best natural guard against suicidal impulses. c. Native Americans have the highest suicide rate in the United States. d. Suicide rates tend to decrease with advancing age.
How does conducting a double-blind study attempt to remedy the effect of bias?
A) The experimenter does not know but the participant does know what condition the participant is assigned to B) The experimenter and the participant both know what condition the participant is assigned to C) The experimenter knows but the participant does not know what condition the participant is assigned to D) Neither the experimenter nor the participant knows what condition the participant is assigned to