Historical milestone · 1972
Human Problem Solving
Reviewed through September 18, 2026
1972 · Historical milestone
Human Problem Solving
- Era
- 1970s
- Theme
- Agent planning & cognitive architectures
- Evidence form
- Think-aloud protocols and computer models of puzzle solving, including means-ends analysis
- School / paradigm
- Information-processing psychology
- Institution / context
- Carnegie Mellon University
- Researchers
- Allen Newell; Herbert A. Simon
School of thought
Symbolic AI / GOFAI
Matched on representative researcher.
Intelligence arises from manipulating explicit symbols according to rules, search, and formal representations.
Critique. Knowledge acquisition and combinatorial explosion; brittle under ambiguity, perception noise, and open worlds.
Modern descendants. Tool schemas, planning languages, knowledge graphs, verifiers, program synthesis, and neuro-symbolic systems.
Understand
Plain-language record, transferred from the reviewed source module.
Theory or experimental setup. Argued that human and machine problem solving could be studied as symbol manipulation guided by heuristics.
Result / historical claim. Verbal protocols and small puzzles may not reveal situated, embodied, affective, or social cognition.
Apply
Professional implication, only where the reviewed record states one.
The checked-in record does not state a separate professional application for this entry. The topic page places it in the wider research lineage: Agent planning and cognitive architectures.
Verify
Evidence status, stated limitations, and the external sources this record actually carries.
Evidence form. Think-aloud protocols and computer models of puzzle solving, including means-ends analysis
Limitation / debate. Cognitive architectures, interpretable reasoning traces, and bounded rationality in agent design.
Source status. The source link below is the verified link our reviewed topic research already carries for this milestone.
Reproduce
A reproduction tutorial is linked only when one exists for this exact record.
A reproduction tutorial is not yet available for this entry. The closest reviewed material is Agent planning and cognitive architectures.
Cite or share
APA-like: This historical record carries a year only, and no author or publisher of record in the checked-in data. An APA reference would have to invent that metadata.
BibTeX: BibTeX requires an author and publication venue. Historical lineage entries store a narrative record and its source link, not structured authorship, so the field would be fabricated.