Lecture2_AnalysisNumericalestimation

Lecture2_AnalysisNumericalestimation - Numerical Estimation...

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Numerical Estimation – Week 2 Sign in as you Enter
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1. What was the aim of the study? What kind of errors in non-verbal counting are caused by differences in spacing (regular vs irregular)?
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2. What is the Dependent Variable? DV is what is being measured. We are measuring the ERROR in our estimates
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3. How do you measure ERROR? ERROR = [ACTUAL NUMBER OF DOTS] – [ESTIMATED NUMBER OF DOTS]
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4. What is the Independent Variable? How many levels does this IV have? Spacing/Density of the dots. It has two levels: Regular Spacing Irregular Spacing
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5. Predictions? As Regularity in Spacing Increases, what do you think will happen to the error in our estimates? Will it be proportional to regularity in spacing? OR will it not make a difference?
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Scatter Plot How much did your estimates deviate from the true value? Each POINT in the graph is a data point. Plot the ACTUAL ESTIMATES on the Y-AXIS Plot OUR ESTIMATES on the X-AXIS This gives us a direct comparison!
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Linear trend OUR ESTIMATES
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Linear trend OUR ESTIMATES
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Logarithmic Trend OUR ESTIMATES
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Quadratic Trend OUR ESTIMATES
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Lecture2_AnalysisNumericalestimation - Numerical Estimation...

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