The document provides a summary of the Job Characteristics Model, which identifies 5 key job characteristics (skill variety, task identity, task significance, autonomy, and feedback) that influence important work outcomes. The 5 job characteristics are defined, including skill variety referring to the variety of skills used on the job, task identity being the degree to which a person completes an identifiable piece of work, task significance relating to how much the job impacts others, autonomy as the freedom in how tasks are performed, and feedback on effectiveness. The model proposes these characteristics influence 3 psychological states (experienced meaningfulness, responsibility, knowledge of results) which then impact outcomes like job satisfaction, motivation, and performance. The theory was developed in the 1960s to address