Q.Explain the understudy method and job instruction training. How do they differ?

Understudy and job instruction training both teach on the job, but one is a prolonged apprenticeship while the other is a structured, staged demonstration-and-practice method.

Understudy / apprenticeship has a trainee work closely alongside a skilled, experienced worker or manager over an extended period, learning the trade gradually by observing and assisting, with the eventual aim of taking over that role. It is common for skilled trades where competence can only be built through prolonged, hands-on exposure.

Job instruction training (JIT) is a structured, step-by-step method: the trainer first explains and demonstrates the job in a logical sequence of steps, the trainee then performs the job under supervision while being corrected, and finally performs it independently once competence is confirmed. …

Treating understudy and job instruction training as the same thing because both involve a trainer figure — understudy is about prolonged succession into a mentor's role, wh …