一个英语句子的翻译35-1The selection of workers for particular jobs is

一个英语句子的翻译35-1
The selection of workers for particular jobs is essentially a problem of discovering the special aptitudes and personality characteristics needed for the job and of devising tests to determine whether candidates have such aptitudes and characteristics.The development of tests of this kind has long been a field of psychological research.特别是最后一句.