As infants develop
a. babbling shifts from single syllable utterances to combinations of different sounds.
b. the average length of each babbled sound decreases.
c. babbling tends to become more constant in pitch.
d. they shift from babbling to cooing.
a
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Mirror neurons become active when:
a. thinking about oneself b. watching oneself do something in a mirror c. thinking about another person d. watching another person perform a behavior
Having accurate costumes for imaginary roles would be a special concern for children engaged in ____ play
a. symbolic b. sensorimotor c. rough-and-tumble d. competitive social
Which of the following best describes Vygotsky's concepts of scaffolding?
a. the belief in the uniqueness of their personal experiences and their personal destiny b. the capacity to think about thinking c. the difference between skills or tasks that adolescents can accomplish alone d. the degree of assistance provided to the adolescent in the zone of proximal development
Injecting leptin into leptin-deficient mice reduces the animals' appetites and speeds up their metabolism
Indicate whether this statement is true or false.