The phrase "ability and proficiency" is correct and usable in written English.
It can be used when discussing someone's skills or competence in a particular area or task.
Example: "Her ability and proficiency in multiple languages make her an asset to the international team."
Alternatives: "skill and expertise" or "capability and competence."
The Mexican Census allows us to study the earnings differential between those self-identified as Indigenous and those who are not and the Mexican Family Life Survey allows us to control for cognitive ability and proficiency in Spanish, but at the expense of smaller sample sizes.
Pedro II's natural ability and proficiency as a ruler encouraged greater deference as time passed.
Possessing a photographic memory, top athletic ability, and proficiency with most firearms, he has little difficulty distinguishing himself as a member of the NSS.
Why do I carefully select abilities and proficiencies and create a play style for this character if I can't play them directly?
The new Citelighter, which will inevitably see the startup re-brand and totally re-focus around this new platform (and direction), aims to provide an organizational framework through which teachers can help improve their students' critical thinking abilities and writing proficiency.
They ask their teachers to exhibit not only verbal ability and subject-matter proficiency, but also knowledge of teaching.
The probability of solving an item depends only on the respondent's ability, or proficiency, and two item parameters characterizing the properties of the item (item difficulty and item discrimination).
First, as already noted, it is difficult to disentangle the influences of proficiency (ability) and of effort or engagement in any analysis of student responses to a test without also measuring the latency of each response.
He was particularly deadly - he killed one soldier with a single shot at over 600 yards". Another clue as to the level of their training and proficiency was their ability to change tactics.
As it seems, there are a great deal of inconsistencies and paradoxes in teachers' proficiency, assessment ability, and WCF practice which are taken for granted.
That prevented them from figuring out in advance where to seat students to account for behavior problems, academic proficiency, English ability and other factors that would have helped ensure a smooth and efficient opening day, he said.
