Marta's sister Rosa calls her magnet collection junk, but Marta's magnets help her make friends in her new home and help her retrieve a lost key for Rosa's new friend....
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When Adam started kindergarten, the teacher wanted him to learn about letters. But "p" looked like "q," and "b" looked like "d." Adam would rather color or mold clay. In first grade, his teacher wanted him to put the letters into words so he could read. That was the beginning of the Alphabet War. "W...
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Despite dissent in many quarters, Piaget's epistemology and the developmental psychology derived from it remain the most powerful theories in either field. From the beginning, Piaget's fundamental epistemological notion was that all knowledge is rooted in action, and for a long time, he identified a...
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