The phrase "affect grades" is correct and usable in written English.
You can use it when discussing the impact of various factors on academic performance or evaluation.
Example: "The amount of time students spend studying can significantly affect grades."
Alternatives: "influence grades" or "impact grades".
Factors outside Ofqual's control affect grades.
Universities don't know how A-level changes will affect grades.
It found that the copying of problems that require algebraic responses correlated with two letter grades' worse performance on problems demanding similar responses on a final exam (but found that copying did not adversely affect grades on conceptual questions).
Based on this quote from the article, "It found that the copying of problems that require algebraic responses correlated with two letter grades' worse performance on problems demanding similar responses on a final exam (but found that copying did not adversely affect grades on conceptual questions)." we were getting the best of both worlds.
So we average our samples and we look at the results and we ask this question: if the null hypothesis were true (if the diet pill has no effect or if eyeglasses do not affect grades or if GDP has no effect on stock market returns) how likely is it that we would get a result (a difference from the null) larger than the result we've actually got?
Even after taking into account factors that may affect grades, such as prior achievement, age, year in school, transfer status, how engaged they are in university activities and their degree aspirations, the grit-to-success correlation remained true.
It was styled as an amendment to a bill on school safety, and would affect grade schools and high schools but not universities or government buildings.
Responses do not affect grading, as the information reported is not reviewed outside of OCP until after the semester's grading process has been completed.
Student participants were informed that participating or declining participation at the study would not affect grading, class standing, or further opportunities at the university.
Providing support courses improved algebra test scores for the target population, but only modestly affected grades and failure rates.
Providing support courses improved algebra test scores for the target population but only modestly affected grades and failure rates.
