A general finding is that the brains of young children with autism spectrum disorder exhibit __________.
A. reduced volume of the hippocampus
B. enlarged brain size of around 10 percent
C. fewer axons within the corpus callosum
D. loss of cells within the cerebral cortex
Answer: B
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Which child is most likely to be the tallest?
a. Kristin, who has a tall father and a short mother b. Megan, who has a short father and a tall mother c. Kara, who has a tall mother and a tall father d. Melissa, who has a short father and a short mother
On the basis of twin studies and other kinship evidence, researchers estimate that about __________ of the differences in IQ among children can be traced to their genetic makeup
A) a quarter B) a third C) half D) two-thirds
The fact that people do not always remember their own behavior correctly poses the most significant problem for which of the following research methods?
a. an experiment b. a psychological test c. a survey d. a correlational study
What term refers to an infant's various levels of wakeful behaviors, such as alertness, fussing, crying, and different levels of sleep?
a) sensitive period b) state c) rhythm d) alternation