Identify which of the following is on the job method of training.

Coaching

The correct answer is option (1) : Coaching

The on-the-job method of training is: 

Coaching

Coaching involves training and guiding employees while they are performing their actual job tasks. It typically includes one-on-one instruction, feedback, and support to help employees improve their performance and acquire new skills. This method allows employees to learn in a real work environment, making it a practical and effective way of training.

The other options listed (2. Films, 3. Case study, and 4. Programmed Instructions) are not considered on-the-job training methods but rather different training approaches.