Why is it that the brain of an adolescent becomes capable of processing information more efficiently than the brain of a child?
a. Because the brain has grown to its adult size by the time puberty occurs
b. Because synaptic pruning and myelination are nearly complete by adolescence
c. Because not all of the cerebral lobes were "active" before puberty, but they are all working in adolescence
d. Because the corpus callosum atrophies and disappears during adolescence
b
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You will not be able to get a p value for a one-tailed test using SPSS.
Answer the following statement true (T) or false (F)
How do professional societies and associations decide what to put in their standards?
a. The members form a committee that adapts their codes from those of other professional organizations. b. Members vote on and adopt the standards after extensive discussion and debate. c. Organizations derive their ethical codes from governmental agencies and guidelines. d. Members propose their codes and agree to abide by them only after the codes are accepted by consensus.
Extreme skewing in x-inactivation has been linked with which of the following characteristics in offspring?
A. hemophilia B. colorblindness C. Alzheimer's disease D. autoimmune diseases
Which of the following results is consistent with a trait that has a high heritability?
a. identical twins are less alike than fraternal twins b. adopted children resemble their biological parents more than their adoptive parents c. unrelated children are as much alike as are brothers and sisters d. brothers are more alike than are sisters