निम्नलिखित में से कौन सा नियुक्तिकरण (Staffing) का एक अंतर्निहित पहलू या तत्व नहीं है?

Which of the following is NOT a direct benefit of training and development to the organization?

Training methods like Apprenticeship, Substitution, and Understudy, which give employees an opportunity to learn while actively working, are commonly called: