Lecture1_Numericalestimation

Lecture1_Numericalestimation - Numerical Estimation PLEASE...

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Numerical Estimation PLEASE SIGN-IN AS YOU ENTER
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Verbal Counting Serial counting Algorithmic ID item Add 1 to total Mark item as counted Find next item Advantage: Very accurate
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What if there is not enough time to count?
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What do we do? Possibilities Give Random Answers Stick to one maximum number E.g. young children have a number that to them represents something really big Use Non-Verbal Counting
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Non-Verbal counting Mechanism for counting Parallel: All at once, not one-at-a-time Unconscious
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How is Non-Verbal Counting Characterized? By the errors we make + or - a certain amount + or - a certain percentage
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Which? + or – certain amount Constant error + or – certain percentage Error increases constantly with size The bigger the number, the more the error, implying that the mind has a certain capacity beyond which it loses accuracy.
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How do we know what type of error? By how different factors in the environment
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Lecture1_Numericalestimation - Numerical Estimation PLEASE...

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