Final answer:
The final step in job analysis is writing job descriptions, which synthesize information gathered through observations, surveys, and interviews into formal documentation of a job's requirements and expectations.
Step-by-step explanation:
The final step in job analysis involves writing job descriptions. After gathering detailed information about a job through various methods such as observation, surveys, and interviews, this information is synthesized into a formal job description. This description lays out the tasks, duties, and responsibilities of the job. It also details the knowledges, skills, and abilities (KSAs) needed to perform the job effectively. Job descriptions are crucial for various HR functions, including job postings, candidate selection, performance assessments, and establishing the overall expectations for the role within an organization.