A child who walks for a few days, falls a few times, and then goes back to crawling ________.
A. is experiencing a normal period of regression
B. has reached the limit of their sensory threshold
C. is demonstrating the proximodistal principle
D. has an underdeveloped orienting system
Answer: A
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The chief advantage of the median is that
a. it represents a score actually occurring in the data set. b. it is best used with nominal scales. c. it is not disproportionately affected by extreme scores. d. it is the most commonly occurring score.
In the phenomenon known as "operant" control of pain, the pain behaviors manifested by an individual are determined by a. the type of injury
b. social consequences. c. the side effects of medications. d. the patient's reaction to treatment.
Concerning language development, which of the following statements is FALSE?
a. Imitation of adults and rewards for correctly using words are an important part of language learning. b. Babies actively participate in language learning by asking questions, such as "What dis?" c. Parents and children begin to communicate long before the child can speak. d. Noam Chomsky overestimated the importance of learning and social contexts in language and underestimated the innate quality of language.
Language studies with bonobo chimpanzees suggest that they ____.
A. cannot learn language as well as common chimpanzees B. use symbols in the wild to communicate with each other C. comprehend spoken language comparable to that of a two-year-old child D. can write as well as a two-year-old child