All of the following are typical of Piaget's concrete operational stage EXCEPT:
A) abstract thinking.
B) hierarchical classification.
C) understanding class inclusion relationships.
D) seriation.
Answer: A
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After patients recover from acute psychotic episodes and are receiving antipsychotic medications, there is a high probability that they will have another episode if they discontinue their medication. According to your textbook, _____ percent of patients
have a relapse in the first year after hospital discharge. a. 10-15 b. 25-30 c. 45-50 d. 65-70
Sarah had invested most of her retirement savings in energy companies. However, when Enron declared bankruptcy, she transferred all her investments to government bonds because she decided that other energy companies were also likely to go bankrupt. In this example, Sarah's decision has most likely been influenced by the:
a. availability heuristic b. representativeness heuristic c. gambler's fallacy d. underconfidence effect
The critical factor in attaining the age of viability is
weighing at least 5 pounds (2.3 kg). having adequate brain development. having functioning digestive and respiratory systems. surviving at least 28 weeks past conception.
Suppose you drew a random sample from a population where the mean is 100 . The standard error of the sampling distribution is 10 . The mean for your sample is 110 . What could you conclude about your sample?
a. The sample mean does not occur very often by chance in the sampling distribution of means and probably did not come from the given population. b. The sample mean occurs quite often by chance in the sampling distribution of means and probably did not come from the given population. c. The sample mean does not occur very often by chance in the sampling distribution of means but probably did come from the given population. d. The sample mean occurs very often by chance in the sampling distribution of means and probably did come from the given population.