Which of the following is a criticism of Piaget's theory?
a. Piaget underestimated the ages at which children developed cognitively.
b. Egocentrism and conservation develop more continuously—they may not occur in stages.
c. Piaget overestimated the cognitive abilities of infants.
d. Both a and b
D
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One day you are out biking on a relatively deserted trail. You see a fellow cyclist on the side of the trail with the bike's wheels in the air. When will you be most likely to help?
A) When you know nothing about bikes but can offer moral support B) When you know a great deal about bikes and work at a bicycle repair shop C) When the cyclist seems to know more about bikes than you do D) When you have just finished your trail ride E) When you are in a rush to get to an important appointment
Hugo is running an experiment to determine if a specific DNA allele is present in a new transgenic mouse line. He glances through numerous data sets and identifies the correct DNA “band” in the majority of his experiments. This illustrates the concept of a ____
a. ?hit b. ?random result c. ?target d. ?correct assumption