Fluctuations of Delta Pi association scores over time

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Stefano Rastelli

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Sep 12, 2018, 1:52:57 PM9/12/18
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Hi all

I have different Delta Pi unidirectional scores of Past Perfective - verb lexemes attraction and reliance relative to L2 Italian learners' oral interviews spanning many months. Ellis (2012, p. 28) points out that an association score such as ΔP is a scale, not a test of significance with a threshold value. Still I need to compare different Delta Pi values over time. Do you think that any test indicating the significance of difference between scores is of no use? In case you disagree, which test would you use?

Thank you
Stefano

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