Sentences with phrase «standard deviation units»

Figure 1 shows our estimates of the average impact of attending a charter school on test scores, expressed in standard deviation units.
The impacts are presented as effect sizes (which represent the differences between groups in standard deviation units) for eight measured outcomes across the domains of literacy, language, and math.
The vertical axis measures the effect of California Math relative to the composite alternative in student standard deviation units.
The effect size was in the.21 to.33 standard deviation unit range.
Expressed in standard deviation units, they range from 0.13 on the NAEP - LTT at age nine to 0.34 on the PISA at age 15.
[9] If the scores are converted to standard deviation units (SD), Japan scored 0.9 SD higher than the U.S (all scores in this section refer to eighth grade).
Table 2 Effect Size Contrasts (Cohen's d) in Perceptions of Middle School Students Versus Preservice Teacher Educators Toward STEM Content and Careers (2009 data, Standard Deviation Units)
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