JOB DESCRIPTIVE INDEX Job Descriptive Index and related scales The JDI and related scales are frequently used by academic researchers and workplace professionals as a means of measuring employee attitudes such as job satisfaction. These scales are easy to administer, easy to read, simple in format, and scores may be compared to those from a nationally-representative sample of United States workers. Job Descriptive Index (JDI), Job In General (JIG), Stress In General (SIG), and Trust in Management (TIM). About the scales For more than 50 years, the Job Descriptive Index and related scales have been continually developed and refined by the university’s noted Job Descriptive Index Research Group. Comprised of numerous faculty members and Ph.D. students, members of the research group have used their expertise in psychology, scientific research methods, and organizational behavior to study workplace attitudes and behaviors using these scales. The Job Descriptive ...