1 appraisal:an opinion about the value or quality
对品质
2 assessment:多指对人的评价
students' marks are based on continuous assessment of their work
学生成绩根据他们一贯成绩定出来
3 evaluation:这个词比较formal,也解释为评估
we evaluated the situation very carefully before we made our decision
我们先仔细的评估形势再做决定
所以你应该用evluation比较好