According to Piaget, around age 11 young people enter the formal operational stage, in which they develop ________.
A. ways of solving sensorimotor problems
B. the first abilities related to language and problem solving
C. the ability to organize objects into hierarchies
D. the capacity for abstract, systematic, scientific thinking
Answer: D
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Which of the following is NOT a method of describing data that reduces the role of outliers on the measurement of a data set's variability?
a. interquartile range b. boxplot c. range d. trimmed statistics
Pedro tells his father that he wants to quit school and try his hand at acting. His father responds that he will be very disappointed in Pedro if he does not reconsider his decision. Pedro's father has just created ____.?
a. ?conditions of worth b. ?subliminal conflict c. ?a descriptive norm d. ?a disjunctive rule
The pineal gland secretes the hormone melatonin, which has been connected with all of the following EXCEPT
a. sleep regulation. c. jet-lag. b. aging. d. growth.
In Taiwan, prenatal exposure to high levels of __________ in rice oil resulted in low birth weight, discolored skin, and delayed cognitive development
A) dioxins B) mercury C) polychlorinated biphenyls (PCBs) D) lead