The term "concrete" is used to describe concrete operations because

a. understating reversibility at this stage is so hard (like concrete).
b. once a child focuses on one aspect of a task, his thinking appears to be unmovable (set in stone or concrete).
c. the path of understanding is paved with challenges (like a concrete road).
d. individuals in this stage can mentally manipulate objects as long as they are present (concrete example).

d

Psychology

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_____ refers to the way information is presented to emphasize either potential gain or potential loss as the outcome of our decision

a) Algorithm b) Heuristics c) Framing d) Prototyping

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In humans, the right side of the brain mainly controls which part of the body?

a. right side b. left side c. lower half d. upper half

Psychology