HD·F2·05 Basic → Advanced
Thinking Types: A Designer's Taxonomy
Twelve ways to think, all essential to design.
Designers switch between distinct modes of thought constantly, usually without naming them. This course names all twelve, Divergent, Convergent, Lateral, Systemic, Associative, Critical, Analogical, Abductive, First Principles, Second-Order, Janusian, and Metacognitive Thinking, with design-specific examples for each, so you can recognise which mode a problem calls for and deliberately switch into it.
In Development
This course's full module content is being written. The outline below is final, subscribe for updates when it publishes.
LEARNING OUTCOMES
- 01 Name and define twelve distinct modes of thinking relevant to design practice
- 02 Recognise which mode a given design problem calls for
- 03 Apply divergent and convergent thinking deliberately rather than by habit
- 04 Use lateral and analogical thinking to escape fixation on an obvious solution
- 05 Apply abductive reasoning to reach the most plausible design hypothesis from incomplete evidence
- 06 Use metacognitive thinking to monitor and adjust your own thinking process mid-project
- Breadth first, judgment later
- Quantity of options improves the eventual selection
- Divergence without a later convergence stage never ships
- Convergence needs criteria set in advance
- Premature convergence is the most common process failure
- Convergent and divergent thinking alternate, they don't replace each other
- Fixation is the enemy lateral thinking targets
- Provocation techniques can force a lateral jump
- The obvious first idea is rarely the most original one
- No design decision is truly isolated
- Systemic thinking asks what the artifact is embedded in
- Cross-reference: HD·F2·02 Systems Thinking for the full treatment
- Associations often surface ideas logic alone would miss
- Random-input techniques deliberately force associations
- Associative leaps still need convergent evaluation afterward
- Critical thinking questions the brief, not just the solution
- Assumptions hidden in a brief are the most common source of failure
- Cross-reference: HD·F2·06 Critical Thinking for the full treatment
- Analogies transfer structure, not surface appearance
- Distant-domain analogies produce more original ideas than near-domain ones
- A poor analogy can mislead as easily as a good one can illuminate
- Abduction is reasoning to the best explanation, not the only one
- Design problems are rarely solvable by deduction alone
- Abductive hypotheses must still be tested, not just asserted
- Reason from fundamentals, not precedent
- Useful when existing solutions are all constrained by the same outdated assumption
- Slower than analogy, but escapes inherited limitations
- First-order effects are intended; second-order effects are often not
- Most unintended consequences are second-order effects nobody traced
- Ask what happens three steps after the obvious result
- Named for Janus, the two-faced Roman god
- Contradiction is treated as generative, not as an error to resolve
- Common in genuinely novel design breakthroughs
- Metacognition sits above all eleven other modes
- Naming your current mode makes switching modes possible
- The most effective designers move between modes deliberately, not by accident