Macro-Design · A 60-120 minute diagnostic conversation or workshop; can underpin a longer performance analysis.

Gilbert's Behavior Engineering Model (BEM)

Gilbert's Behavior Engineering Model is a 2x3 matrix that separates the causes of performance into three environmental factors (data, instruments, incentives) and three individual factors (knowledge, capacity, motives). It argues that most performance gaps come from the work environment, not from people lacking skill, and recommends addressing the environmental cells first.

When to use Gilbert's Behavior Engineering Model (BEM)

At the start of a training request or change programme, when a performance problem is framed as a training need and you need to test that assumption.

How Gilbert's Behavior Engineering Model (BEM) works

Before designing a programme, run the six cells with the sponsor to find out whether training is the right intervention, and design follow-up support (feedback, tools, incentives) so what is learned can be used at work.

Phases of Gilbert's Behavior Engineering Model (BEM)

  1. Data (information): Check whether people get clear expectations, relevant guidance and timely feedback on their work. Unclear expectations are often the cheapest gap to close.
  2. Instruments (resources): Check whether tools, time, materials and processes support the desired performance. Missing resources cannot be fixed by training.
  3. Incentives: Check whether good performance is rewarded and poor performance is not. Misaligned consequences quietly undo what a workshop teaches.
  4. Knowledge: Only now ask whether people lack the knowledge or skill. This is the cell where training and workshops are the right answer.
  5. Capacity: Check whether the task fits people's physical and mental capacity, or whether selection, scheduling or job design needs to change.
  6. Motives: Check whether people are motivated to perform. Gilbert argued motives are usually fine once the environmental cells are in order.

Key principles

  • Environment before individual
  • Training addresses only the knowledge cell
  • Focus on worthy performance, not activity
  • Cheapest effective intervention first

Best for

  • Needs analysis with sponsors and managers
  • Performance improvement projects
  • Scoping workshops before programme design
  • Designing transfer support around training

Considerations

  • A diagnostic lens, not a session design method; it tells you what to fix, not how to teach.
  • The recommended order of cells is a practical heuristic with limited direct empirical testing.
  • Sponsors may resist findings that point to management systems rather than employees.

Attribution & sources

Developed by Thomas F. Gilbert, 1978

Primary source

Design a session with Gilbert's Behavior Engineering Model (BEM)

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