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Piaget concluded that babies make the A-not-B search error because
Z-score
A measure that indicates how many standard deviations an element is from the mean of its distribution.
Hypothesized Population Mean
The expected average value across a population, based on a hypothesis.
Raw Score
The original, unadjusted score obtained in a measurement or test.
Z-scores
Standardized scores that indicate how many standard deviations an element is from the mean of its distribution.
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