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A young child is alone in a room,trying to put together a difficult puzzle.The child says out loud,"Maybe if you look for the pieces with the flat side first,it will be easier to finish the outside part." This pattern of private speech is most consistent with ______________ view of the function of this kind of speech.
Researcher
A person who conducts systematic investigations into and study of materials and sources in order to establish facts and reach new conclusions.
Mode
The value that appears most frequently in a given set of data, commonly used in statistics to describe central tendency.
Median
The middle value in a set of data when arranged in ascending or descending order, or the average of the two middle values if the set has an even number of values.
Mean
A statistical measure representing the average value of a set of numbers, calculated by dividing the sum of all values by the number of values.
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