According to Piaget, the ability to understand that simply changing the appearance of an object does not change the object's amount is known as __________.
A. object permanence
B. conservation
C. assimilation
D. reversibility
Answer: B
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Z scores and T scores differ in this characteristic
a. skewness b. frequency c. mean d. magnitude
Wesley is eight and has been diagnosed with autism spectrum disorder. His symptoms include an extreme unresponsiveness to adults and a lack of meaningful speech. If Wesley has the typical pattern of autism symptoms, which other symptom can we expect?
a. muscle tics of the face, arms, and hands b. repetitive, self-absorbed activities c. highly imaginative play d. anxiety attacks when left alone
Temporal precedence means the effect occurs before the cause
a. True b. False Indicate whether the statement is true or false
As ________, snakes help to maintain their body temperature by ________
a. ectotherms; shivering and moving to a warm spot if it is too cold b. endotherms; shivering and trying to find a warm spot if it is too cold c. ectotherms; moving to a shady spot if it is too hot d. endotherms; moving to a shady spot if it is too hot