Data examined by the authors also show considerable variation in proficiency rates among students from different racial and ethnic backgrounds. (educationnext.org)
Although we know what type of foods cats generally find most palatable, there is considerable variation between individuals. (icatcare.org)
The rigorous value - added models of student achievement tend to show considerable variation in teacher effectiveness, but very little of the variation can be attributed to the academic backgrounds of teachers. (educationnext.org)