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Preliminary-Blueprint-Eng

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A-21<br />

Exhibit iV-1<br />

the universal scale<br />

Multiple<br />

assessments…<br />

PISA<br />

TIMSS<br />

NAEP<br />

Other local<br />

assessments<br />

…normalised… …onto a Universal Scale<br />

▪ 25 unique<br />

assessments<br />

– Test<br />

– Subject<br />

– Year<br />

– Level<br />

▪ Normalised to a<br />

single scale 1<br />

▪ New units are<br />

equivalent to<br />

2000 PISA<br />

▪ Tiered into Poor,<br />

Fair, Good,<br />

Great, and<br />

Excellent<br />

performance<br />

1 Via method of Erik Hanushek & Ludger Woessmann<br />

2 Standard deviation<br />

3 School Year Equivalent (equal to 38 points on the PISA 2000 scale)<br />

Poor Fair Good Great<br />

-1 SD 2<br />

SOURCE: TIMSS; PISA; PIRLS; Hanushek and Woessmann, “The High Cost of Low Educational Performance” 2010, McKinsey & Co.<br />

440<br />

Avg<br />

480<br />

+1 SD<br />

520<br />

1 SYE 3 1 SYE 1 SYE<br />

+2 SD<br />

560<br />

Excellent

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