In the context of training and development, involves a work-simulation situation in which a job is performed under a condition that closely simulates the real work environment.

vestibule training

Explanation:

vestibule training means to train new employers or students according to practical and actual work environment. It is also known as job education training in which fundamental and actual work skills and education is given to worker or employer to learn actual and practical work. Like to give education on use of  tools and equipment which is require in actual job.

answer; john b watson,(observable behavior);

answerresidual deviance;