The development of people and the retention of high-performing staff was an integral element of Derby Departmental Store’s DNA. In the light of this, the Operations Director shared his frustration with Don about the performance of the bread deliverers at Derby.

During the second week, the trainees were on their own, and could call the supervisor if they experienced any problems. The various store managers mentioned that bread deliveries were late, the paperwork was incorrect and there might be a training problem.

After receiving a broad orientation on Derby, bread deliverers receive skills training for one week. This training is in the form of one-on-one training by the various supervisors. During this time, the trainee would join the supervisor on what would become his or her route and observe the activities performed by the supervisor during the various steps. Which type of development method is described here?