What are the four approaches to job design? Scientific Management, Job Enlargement/Job Rotation, Job Specialization and the Job Characteristic Theory Scientific Management, Job Enlargement/Job Rotation, Job Enrichment and the Job Characteristic Theory Scientific Management, Job Enlargement/Job Rotation, Job Details and the Job Characteristic Theory Scientific Management, Job Enlargement/Job Rotation, Job Enrichment and the Job Relevancy Theory Job Identification, Job Enlargement/Job Rotation, Job Enrichment and the Job Characteristic Theory