The phrase "achievements are compared" is correct and usable in written English.
It can be used when discussing the evaluation or assessment of accomplishments in relation to one another.
Example: "In this study, the achievements are compared to determine which strategies were most effective in improving student performance."
Alternatives: "accomplishments are evaluated" or "successes are assessed".
One famous study in the educational sector is TIMSS (Third International Mathematics and Science Study), where school achievement is compared internationally.
EBM skills' achievement was compared to results gathered by a group of undergraduate University students of Health Sciences and Education who had attended a comparable EBM seminar.
In addition, the top producing agencies (the Forest Service, the Federal Highway Administration, Army Corp of Engineers, and the Bureau of Land Management) are compared for the achievement of DEIS ratings.
In scientific importance, the long-sought achievement might be compared to the first splitting of the atom to reveal its individual parts.
By the end of the school year scores on achievement tests were compared between treatment and control groups.
If, for the purposes of this theoretical debate, we are comparing achievements by athletes competing for Britain or the home nations (without prising open that can of Murray-related worms) in international competition then scarcity value must count for something.
Achievements of participants were compared to those of matched peers and showed marked improvement following their VP experiences.
It should be borne in mind that the benchmark against which achievement in 2009 was compared is itself problematic in that the booklet design for PISA 2000 was not balanced.
The process of coal gasification has been selected to demonstrate the models achievements and predictions have been compared to previous spouted bed reactor experimental results.
It is especially difficult to track the progress of the system's 1.1 million students on a frequent basis, he said, because the only achievement data that can be compared across the system are standardized test scores, which are reported at most twice a year.
