Which of the following is a disadvantage of one-on-one training?

One-on-one training, while beneficial in many aspects, can lead to double labor expenses for training. This is primarily because it requires a significant investment of time and resources from both the trainer and the trainee. In this training format, one trainer is dedicated to each individual employee, which can increase labor costs relative to group training sessions where multiple employees are trained simultaneously.

The additional time spent in training can also mean that the trainer's normal duties are delayed or neglected, further increasing labor expenses. This could lead to inefficient use of staff time and resources, especially in environments where staffing is limited or costs need to be controlled.

In contrast, while the other options describe positive aspects like improved guest experience, enhanced communication skills, and greater employee satisfaction, they do not address the financial implications associated with one-on-one training, which can be a significant drawback for many organizations aiming to balance quality training with budget constraints.