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Most of the difference between the average class size and the ratio of students to teachers expected in city classrooms can be traced to the need for teachers to spend part of the school day preparing their lessons.
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The average class sizes in the module treatment were essentially identical between the nine lowest performing classes and the remaining ten classes.
The average class size is 180.
The average class size is 17 pupils.
The average class size is 19.
The average class size is small (advanced language classes average 5-10 persons; civilization courses, 10-20).
The average class size was 27 students.
Results from the latest Pisa tests show no association between average class size and science performance.
In terms of the international context, the report says that schools in England already have unusually big primary class sizes for a developed country - but suggested that there was no clear correlation between average class size and attainment.
The first was a GLMM that compared the control courses to the eight module courses with class sizes greater than 30, narrowing the difference in average class size between treatments.
In Table 3 class discrimination, ø c, is defined to be the ratio of the average between-class distance and the average within class distance which is indicating the discrimination power of different color channels.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com