According to Piaget children fail the conservation task because their thoughts are ____
a. centered and lack reversibility
b. decentered and possess reversibility.
c. egocentric and animated
d. too hypothetical and possess deductive reasoning
A. In the preoperational stage children are centered on one obvious problem. The preoperational child also cannot perform the mental operation of reversibility.
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The probability that a child whose biological parents both have schizophrenia will also
have the disorder is at most, about __________ percent or less. a. 10 b. 15 c. 20 d. 30 e. 50
Willis and Schaie's longitudinal study that utilized participants from the Seattle Longitudinal Study demonstrated that ____
a. training sessions in spatial orientation and reasoning skills had long-term effects on cognitive performance b. training sessions in fine and gross motor skills improved the physical health of subjects c. aerobic exercise and moderate weight training improved muscle mass and increased bone density d. cognitive functioning would deteriorate regardless of intervention