The phrase "appraise their performance" is correct and can be used in written English.
You could use this phrase in a situation where you want to describe assessing how someone has performed in a task, job, or activity. For example, "My manager asked me to appraise their performance on the project and give my feedback."
Throughout the semester students were assigned to midterm and final exams, group projects, laboratory reports, term papers and assignments to appraise their performance.
QIs which reflect the quality of care in relation to geriatric syndromes/risks would assist hospitals, and clinical service units within them, to appraise their performance, and to compare with other similar hospitals.
Blade Element Momentum (BEM) theory based numerical codes are employed, both in the scientific and industrial field, for designing wind turbines and appraising their performance.
While techniques for identifying urban transport problems, predicting the effects of possible solutions and appraising their performance are well developed, there is a significant gap in the decision-making chain relating to the generation of those possible solutions.
However, many nurses felt that major improvements needed to be made in the quality of clinical educators, including appraising their performance and reducing their administrative duties.
This process should engage staff members themselves in appraising their performance and planning and evaluating appropriate career and professional development activities [ 45, 46].
Appraising their performances in No Man's Land, he said: "I will forever cherish the memory of Mr McKellen's nimble Spooner and Mr Stewart's increasingly paralytic Hirst doing their best to one-up each other, in authoritatively delivered nonsense".
But to keep the momentum going, companies have to manage that inspiration and, as Peter Drucker writes, "to appraise their innovation performance against expectations".
In appraising their peers' performance, assessors needed to reason aloud, compare personal views with group views, and discuss performance standards.
By starting to look at single activities, companies can appraise their capability stage by appraising their existing process, so their performance indicators such as productivity, profitability, or customer satisfaction can be improved.
First they must appraise their own work.
