Adverse selection can drive good used cars from the market because:
A. sellers have no way of convincing buyers that they have good information.
B. sellers are unable to distinguish good used cars from bad used cars.
C. buyers reduce their willingness to pay for used cars because they are wary of bad cars.
D. buyers decide to purchase only bad cars.
C. buyers reduce their willingness to pay for used cars because they are wary of bad cars.
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A sample of n = 4 scores has a mean of M = 8 . If one new score with a value of X = 3 is added to the sample, what will be the value for the new mean?
a. M = 7 b. M = 8 c. M = 8.75 d. Cannot be determined with the information provided
Brian has been teaching his son to shoot a basketball correctly. Initially, Brian lowered the backboard and used a smaller ball to increase the chances his son would shoot the ball correctly. Once his son begins having success, Brian begins to raise the backboard and use a larger ball. This is an example of:
a. stimulus delay b. stimulus fading c. prompt delay d. prompt fading
Whose attitudes most likely stem from classical conditioning?
a. ?Dianna, who feels anger towards men after being robbed by a man at gunpoint b. ?Merlyn, who is praised for his jokes about women and so, continues to make jokes c. ?Carletta, whose friends acknowledge her brilliance when she expresses opinions similar to theirs d. ?Gale, who saw his parents protesting injustices as a child, and now attends protests himself
Identify the role of glutamate in schizophrenia.
A. Higher concentrations of glutamate are present in areas of the brains of people with schizophrenia that are crucial to attention and memory. B. Glutamate is responsible for the significant overall brain size as well as the contracted brain ventricles (butterfly shapes) in schizophrenics. C. An excess of glutamate in the limbic structures is responsible for poor selective attention, cognitive control, and working memory in schizophrenics. D. Dopamine enhances the functioning of glutamate and produces disturbances as seen in schizophrenia.