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International Journal of STEM Education

Table 4 Summary of statistics to support reliability of EBIP adoption scale

From: Development of the Cooperative Adoption Factors Instrument to measure factors associated with instructional practice in the context of institutional change

Statistic

Formula

Observed

Recommended thresholds

CR

(TR − SE)/TR

0.975

> 0.9

MMR

(TR − ME)/TR

0.703

Lower better

PI

CR − MMR

0.273

Larger better

CS

(ME − SE)/ME

0.917

> 0.6

  1. CR coefficient of reproducibility, MMR minimal marginal reproducibility, PI percent improvement, CS coefficient of scalability, TR total responses, SE scale errors, ME marginal errors
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