During playtime, Jamal's mother hid his toy under a blanket. Jamal, who is 9 months old, reacted to this by looking for his toy under the blanket. According to Piaget, Jamal has developed
A. hypothetico-deductive reasoning.
B. object permanence.
C. seriation.
D. transduction.
Answer: B
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Sasha has a genetic error. She has specific physical features, such as a wide tongue, and she is mentally retarded. Upon examining her chromosomes, we would find an extra 21st chromosome. What disorder does Sasha have?
A. fragile X syndrome B. Down syndrome C. anencephaly D. Alzheimer's disease
The typical first-grader would begin school with a vocabulary of around _____ words
a. 500 b. 1,000 c. 5,000 d. 10,000
Jerry and Stanley are non-twin brothers; they would have a______ percent overlap in genetic
heritage. a. 25 c. 75 b. 50 d. 100
To be creative, the solution to a problem must be more than novel, unusual, or original, it must also be
a. relevant and of high quality. b. intuitive and automatic. c. denotative and connotative. d. aesthetic and pleasing.