Data-People-Things hierarchy

Sidney Fine came up with the Data–People–Things hierarchy, also called the FJA hierarchy. It's found in the Dictionary of Occupational Titles. Items with higher numbers on the hierarchy are increasingly prescribed, those with lower numbers are more discretionary.

Data (4th) People (5th) Things (6th)
0 Synthesizing Mentoring Setting Up
1 Coordinating Negotiating Precision Working
2 Analyzing Instructing Operating/Controlling
3 Compiling Supervising Driving/Operating
4 Computing Diverting Manipulating
5 Copying Persuading Tending
6 Comparing Speaking/Signalling Feeding/Offbearing
7 Service Handling
8 Taking Instructions/Helping

Definitions of Worker Functions

Data

Information, knowledge, and conceptions, related to data, people, or things, obtained by observation, investigation, interpretation, visualization, and mental creation. Data are intangible and include numbers, words, symbols, ideas, concepts, and oral verbalization.

People

Human beings; also animals dealt with on an individual basis as if they were human.

Things

Inanimate objects as distinguished from human beings, substances or materials; and machines, tools, equipment, work aids, and products. A thing is tangible and has shape, form, and other physical characteristics.