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Effect Sizes State, national and international assessments.

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Presentation on theme: "Effect Sizes State, national and international assessments."— Presentation transcript:

1 Effect Sizes State, national and international assessments

2 Effect sizes How are we doing compared to others? Tip sheet Compliments the p-value Effect size gives you an idea (visual) of the size of the difference Estimated magnitude of a relationship

3 The Minnesota Case Participated in TIMSS 1995, 2007, 2011 as ‘mini-nation’ Implemented new standards in 1995, 2007 that make content coverage more closely resemble that of TIMSS test Scores generally improved from 1995 to 2011, and MN saw faster growth than US as a whole Engaged education stakeholders, business community, general public in discussion of TIMSS results, what they meant, and how they could inform policy

4 Questions to answer Are effect sizes consistent across assessments? Do gains/gaps compare across tests? Consistent with policy in your state?

5 Benchmarking Performance Gr8 Math Effect sizes 2001 TIMSS and 2012 PISA

6 Benchmarking Performance Gr8 Math Effect sizes 2011 TIMSS, NAEP and 2012 PISA

7 Benchmarking Performance Gr8 Math Effect sizes 2001 TIMSS and 2012 PISA

8 Benchmarking Performance Gr8 Math Effect sizes 2011 TIMSS, NAEP and MCA

9 On to grade 4

10 Benchmarking Performance Gr 4 Math Effect sizes in 2011 TIMSS

11 Benchmarking Performance Gr 4 Math Effect sizes in 2011 TIMSS and NAEP

12 Benchmarking Performance Gr 4 Math Effect sizes in 2011 TIMSS and 2011, 2013 NAEP and MCA

13 Changes over time

14 Math Effect sizes for 8 th grade on MCA, NAEP and TIMSS MN Math test changed in 2011

15 Math Effect sizes for 8 th grade on MCA, NAEP and TIMSS MN Math test changed in 2011

16 Math Effect sizes for 8 th grade on MCA and NAEP

17 Math Effect sizes for 4 th grade on MCA and NAEP MN Math test changed in 2011

18 Math Effect sizes for 4 th grade on MCA, NAEP and TIMSS MN Math test changed in 2011

19 Math Effect sizes for 4 th grade on MCA and NAEP


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