Does practice make perfect? A study of the Granger-causal - - PowerPoint PPT Presentation

does practice make perfect
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Does practice make perfect? A study of the Granger-causal - - PowerPoint PPT Presentation

Does practice make perfect? A study of the Granger-causal relationship betw een attem pting to solve online exercises and m athem atical proficiency Krista Linnoinen Antti Rasila Support Successful Student Mobility with Mumie Department of


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A study of the Granger-causal relationship betw een attem pting to solve online exercises and m athem atical proficiency

Does practice make perfect?

Krista Linnoinen Antti Rasila

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Support Successful Student Mobility with Mumie

7.11.2013 Department of Mathematics and Systems Analysis 2

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Mumie

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STACK

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Sir Clive Granger (4.9.1934 - 27.5.2009)

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Assumptions for Granger causality

  • The past cannot be caused by the future.
  • Elsewhere unavailable, unique information about

an effect is contained in a cause.

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Unrestricted regressions

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If students are penalised for not attempting to solve the exercises

“Attempts do not Granger-cause skills”

“Skills do not

Granger-cause attempts”

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32% penalty

and penalising students for not attempting to solve the exercises “Attempts do not “Skills do not Granger-cause Granger-cause skills” attempts”

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Thank you!