Five-class taxonomy of knowledge sources for synthesizing STEM PLC knowledge

Research Method · All research methods
Evidence · 2 claims (2 for) · 1 study (1 review), q2 · 0 of 1 report an effect size · 2 claims rest on one study

Description

The synthesis organizes its evidence into five named classes of knowledge: Type 1, elaborated empirical studies since 1995 mostly in peer-reviewed journals; Type 2, empirical studies reported without method detail and non-empirical work such as theory building; Type 3, published expert knowledge and advice; Type 4, practice-based knowledge from an expert practitioner online panel; and Type 5, published model descriptions often with lessons learned. The authors explain that they "determined it would be useful to add an additional category that would explicitly attend to knowledge about models of conducting PLCs", finding "a considerable body of research in this category, some with “lessons learned” but without formal research". The framework lets the synthesis combine gold-standard and working knowledge while flagging where evidence is thin.

Accounts

• Five-class taxonomy of knowledge sources for synthesizing STEM PLC knowledge: The synthesis organizes its evidence into five named classes of knowledge: Type 1, elaborated empirical studies since 1995 mostly in peer-reviewed journals; Type 2, empirical studies reported without method detail and non-empirical work such as theory building; Type 3, published expert knowledge and advice; Type 4, practice-based knowledge from an expert practitioner online panel; and Type 5, published model descriptions often with lessons learned. The authors explain that they "determined it would be useful to add an additional category that would explicitly attend to knowledge about models of conducting PLCs", finding "a considerable body of research in this category, some with “lessons learned” but without formal research". The framework lets the synthesis combine gold-standard and working knowledge while flagging where evidence is thin. (Fulton et al. (2010))

Claims

• Existing STEM PLC research is methodologically weak by Standards of Evidence review, with no studies rated adequate, but collectively builds a supportive case for valued PLC effects [+M]
• Published policy statements and expert advice universally recommend STEM PLCs, with cautions against superficial definition and implementation [+M]

Related Research Methods

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Key Sources

• Fulton, K., Doerr, H., & Britton, T. (2010). STEM Teachers in Professional Learning Communities: A Knowledge Synthesis. National Commission on Teaching & America's Future / WestEd. https://www.nctaf.org/resources/events/STEMWingspreadConference.htm

Page metadata

Field	Value
type	research-method
id	five-class-taxonomy-of-knowledge-sources-for-synthesizing-stem-plc-knowledge
title	Five-class taxonomy of knowledge sources for synthesizing STEM PLC knowledge
description	The synthesis organizes its evidence into five named classes of knowledge: Type 1, elaborated empirical studies since 1995 mostly in peer-reviewed journals; Type 2, empirical studies reported without method detail and non-empirical work such as theory building; Type 3, published expert knowledge and
status	review
generated	by process:settle-candidates on 2026-10-10
trust	unverified — no one has confirmed this page's content

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