The process of systematically studying a job to determine its duties and requirements is:

The question asks to identify the process of systematically studying a job to determine its duties and requirements. This fundamental HR activity is known as Job analysis.

• Job analysis (A) is the correct answer because it involves a detailed, systematic investigation of the tasks, responsibilities, knowledge, skills, and abilities (KSAs) required for a specific job. This information is crucial for various HR functions, including recruitment, selection, training, and performance appraisal.
• Job design (B) is incorrect. While related, job design focuses on structuring or restructuring jobs to improve efficiency, productivity, and employee satisfaction, often utilizing information gathered from job analysis.
• Recruitment (C) is incorrect. Recruitment is the process of attracting qualified candidates for job vacancies, which typically occurs after job analysis has defined the job.
• Selection (D) is incorrect. Selection is the process of choosing the best candidate from the pool of applicants, a step that follows recruitment and relies on job analysis data.