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According to the text, which of the following is Robert Peck's main criticism of Erikson's stages of development?
Population Mean
The average value of a set of data across an entire population.
Sample Size
The number of observations or data points collected from a larger population for the purpose of statistical analysis.
Confidence Interval
A set of values gathered from sample statistics that is presumed to hold the value of an undetermined population parameter.
Margin Error
An expression of the amount of random sampling error in a survey's results, which describes the range within which the true value lies with a certain level of confidence.
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