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Namely, for Duke students who completed collegea, Figure 1 shows that differences in grades between black and white students during their first semester were almost half a grade.
While at first blush there appears to be evidence of this as the differences in grades between blacks and whites diminishes over their college careers, we show that this is not due to differential learning.
Otherwise you can get a situation in which girls turn down glasses and boys take them and then we're really studying differences in grades between girls and boys when we think we're studying the difference between glasses and the naked eye.
Given that the raw participation rates and differences in grades between those that did and did not participate were both similar to those reported in prior studies, these results strongly suggest that data collection with low-stakes RBAs systematically over represents high-achieving students, regardless of assessment administration method.
We found no significant differences in grades between those contemplating migration and those planning on remaining in Poland.
We used t-tests to compare the differences in grades between the final clinical exam of long and short cases in 2012 and the final OSCE exam in 2013.
Similar(54)
Maple syrup – and if you're going to use it, it really ought to be real, pure syrup – comes in different grades, depending on when it's harvested, although trying to unpick the differences in grading between the various maple producing states in North America is painful.
However, despite the good overall agreement, there were some significant differences in grading between the RC and EC.
Differences in grading between reviewers were generally small (fig. 6b), with all reviewers showing decreasing test results with progressively poorer quality control grades.
One idea that, by its very nature, is bound to split opinion is the call from an influential think-tank which said that children born at the end of the academic year should be given extra marks, such is the difference in grades between them and those born in September.
There was no significant difference in grades between the two groups (Table 2).
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com