Final answer:
Job analysis is the procedure by which the details and responsibilities of a job are defined. It forms a cornerstone of various human resource functions and helps in creating job descriptions and specifications.
Step-by-step explanation:
Job analysis is the process of defining a job. This comprehensive process involves determining the duties and nature of a job and the qualifications necessary to perform it effectively. Job analysis is a critical step in human resource management that affects other functions such as recruitment, training, performance appraisal, and compensation. It revolves around collecting detailed information on the specific tasks, responsibilities, necessary skills, outcomes, and work environment of a particular job.