• home
• about
• new
• essays
• AI
• book

Frank Visser, graduated as a psychologist of culture and religion, founded IntegralWorld in 1997. He worked as production manager for various publishing houses and as service manager for various internet companies and lives in Amsterdam. Books: Ken Wilber: Thought as Passion (SUNY, 2003), and The Corona Conspiracy: Combatting Disinformation about the Coronavirus (Kindle, 2020).

Terri O'Fallon's STAGES Model

A Critical Evaluation

Frank Visser / ChatGPT

Terri O'Fallon developed the STAGES model as an extension of adult developmental psychology, drawing heavily on the work of Jane Loevinger, Susanne Cook-Greuter, and Ken Wilber. The model proposes twelve developmental stages grouped into three tiers—Concrete, Subtle, and MetAware—and attempts to map increasingly complex forms of meaning-making and awareness.

Among contemporary integral thinkers, STAGES has become one of the most influential developmental frameworks. Yet its strengths and weaknesses deserve careful examination.

What STAGES Gets Right

The strongest feature of STAGES is its attempt to identify recurring patterns across development. Rather than merely extending Loevinger's sequence upward, O'Fallon proposes a systematic architecture based on recurring distinctions such as individual/collective and passive/active modes of awareness. This gives the model an internal elegance lacking in many earlier stage theories.

A second strength is that STAGES takes post-conventional and post-egoic development seriously. Most mainstream developmental psychology stops at adulthood or formal operational thought. STAGES attempts to describe later forms of cognition and selfhood that have long been discussed in contemplative traditions but largely ignored by academic psychology.

Third, many practitioners report that the model has considerable heuristic value. It provides a rich vocabulary for discussing leadership, coaching, organizational development, and spiritual growth. Even critics often acknowledge its usefulness as a framework for reflection and dialogue.

The Problem of Empirical Validation

The central criticism concerns scientific evidence.

The STAGES model emerged from the Integral community, where enthusiasm often preceded rigorous validation. One of the major criticisms raised by Cook-Greuter and others was that claims regarding the model's validity were initially promoted before peer-reviewed evidence was publicly available. O'Fallon and her collaborators later acknowledged that concern and removed some premature claims while further studies were being completed.

Although subsequent studies have reportedly demonstrated correlations with the Loevinger-Cook-Greuter tradition and acceptable inter-rater reliability, the evidence base remains much smaller than that supporting established developmental frameworks.

This creates a familiar problem in Integral Theory: a distinction between an attractive conceptual model and a strongly validated scientific theory. STAGES may be the former without yet fully qualifying as the latter.

The Stage Theory Problem

A deeper issue affects STAGES and virtually all developmental stage theories.

Developmental psychologists have long debated whether development actually proceeds through discrete stages or through more continuous and context-dependent processes. Even defenders of stage models acknowledge that human development is often uneven, domain-specific, and highly variable.

STAGES presents development as a relatively ordered progression through twelve levels. Yet real human beings frequently display characteristics associated with multiple stages simultaneously. Someone may exhibit sophisticated systems thinking in professional contexts while remaining emotionally conventional in personal relationships.

The danger is reification: treating abstract developmental categories as objectively existing entities rather than useful approximations.

The Problem of Developmental Symmetry

One feature of the STAGES model that many observers find aesthetically appealing is also one of its most questionable aspects: its remarkable symmetry. The model cycles repeatedly through the same sequence—Individual/Collective and Receptive/Active/Reciprocal/Interpenetrative—across three major tiers (Concrete, Subtle, and MetAware). This produces an elegant matrix of twelve stages that appears almost mathematically inevitable.

The difficulty is that nature rarely organizes itself so neatly.

The alternating pattern gives the impression that human development unfolds according to a hidden geometric logic, with each new tier recapitulating the same four-step sequence. While such symmetry is theoretically satisfying, critics may wonder whether the pattern was discovered in the data or imposed upon it. Developmental psychology generally reveals messy, uneven, and context-dependent trajectories rather than perfectly recurring structures.

This concern becomes especially relevant at the higher stages. Once the model identifies a repeating pattern at lower levels, there is a temptation to project the same architecture upward, generating new stages because the symmetry appears incomplete without them. In this sense, the elegance of the framework may function as both a strength and a liability. A beautifully ordered model can become difficult to falsify because anomalies are often interpreted as exceptions rather than challenges to the underlying structure.

The MetAware Question

The most controversial aspect of STAGES is its upper range.

The Concrete and Subtle tiers correspond reasonably well to established developmental research traditions. The MetAware tier is far more speculative. O'Fallon proposes several stages beyond Cook-Greuter's Construct-Aware stage, extending development into increasingly reflexive forms of awareness.

Critics ask whether these higher stages represent genuinely distinct developmental structures or simply different styles of discourse among highly educated, contemplatively inclined individuals.

This question remains unresolved.

The challenge is methodological. At lower stages, developmental differences are relatively easy to observe. At the highest levels, distinctions often depend on subtle linguistic patterns and interpretations of interview material. The further one ascends the developmental ladder, the more difficult it becomes to demonstrate that one is measuring real developmental differences rather than theoretical preferences.

Integral Theory's Influence

For critics outside the Integral community, another concern is that STAGES may inherit some of the assumptions of Wilber's AQAL framework.

O'Fallon explicitly acknowledges AQAL as an influence, and STAGES incorporates distinctions derived from Integral Theory.

This raises a circularity problem. If the model is partly derived from AQAL assumptions and then used as evidence supporting AQAL-like claims, the relationship between theory and evidence becomes blurred.

From a scientific perspective, developmental models are strongest when they emerge from empirical observation first and theoretical interpretation second. Critics argue that STAGES sometimes reverses that order.

This concern may resonate with your own longstanding critique of Wilber's tendency toward what you have called "metatheoretical overstretch"—the movement from broad conceptual patterns to large ontological conclusions.

The Elitism Problem

Like many post-conventional developmental models, STAGES faces the risk of developmental elitism.

Higher stages are often associated with increased complexity, perspectival flexibility, and reflexive awareness. This can subtly encourage the belief that people at later stages are inherently wiser or more evolved.

History provides little support for such assumptions. Highly intelligent and developmentally sophisticated individuals remain capable of self-deception, ideological fanaticism, and moral failure.

Complexity is not wisdom. Meta-awareness is not virtue.

One of the recurring lessons of psychology is that cognitive sophistication and ethical maturity do not always advance together.

The Strongest Criticism

The strongest criticism of STAGES is not that it is wrong.

It is that it may claim more precision than the evidence currently justifies.

The model offers detailed distinctions among twelve developmental stages, complete with descriptions of consciousness, perception, and meaning-making. Yet the empirical foundation for such fine-grained differentiation remains relatively limited compared to the confidence with which the stages are sometimes discussed.

This is a common temptation within the Integral movement: transforming suggestive developmental hypotheses into comprehensive maps of reality.

Final Assessment

STAGES is best understood as a sophisticated and potentially valuable developmental hypothesis rather than an established scientific fact.

Its strengths lie in its elegance, explanatory power, and capacity to illuminate patterns of human meaning-making. Its weaknesses lie in limited empirical validation, dependence on contested stage-theory assumptions, and a tendency toward increasingly speculative claims at its highest levels.

As a practical developmental framework, STAGES can be insightful.

As a scientific model of human development, it remains a work in progress.

The crucial question is whether its later MetAware stages represent genuine discoveries about human development or whether they are, in part, artifacts of Integral Theory's enduring fascination with higher and higher forms of consciousness. That question remains open, and it is precisely where the most rigorous future research needs to be focused.

Appendix: Controversy Within Integral Circles Around the STAGES Model

Within Integral Theory circles, Terri O'Fallon's STAGES model was never simply received as “just another developmental extension.” It quickly became a focal point for tensions that had been building for years around authority, validation, and conceptual inflation in post-Wilber developmental discourse.[1]

One early fault line concerned empirical legitimacy. Critics inside the Integral community questioned the extent to which STAGES had been publicly validated through peer-reviewed research before being disseminated as a robust stage framework. This echoed earlier disputes around other Integral models where theoretical enthusiasm appeared to outpace methodological transparency. Supporters responded that developmental research in this domain is inherently interpretive and relies heavily on qualitative scoring systems rather than laboratory-style falsification. The disagreement was less about data than about what counts as acceptable evidence in the first place.

A second controversy centered on continuity versus innovation relative to earlier models, especially those of Jane Loevinger and Susanne Cook-Greuter. Some Integral scholars argued that STAGES largely re-described existing ego-development structures using new terminology and additional subdivisions, particularly at the higher “metaware” levels. From this perspective, the model risked “stage proliferation”—a tendency to multiply distinctions without clear independent behavioral or cognitive markers. Others defended O'Fallon's contribution as a genuine structural refinement, claiming that the four-quadrant-like symmetry (individual/collective, interior/exterior, active/passive distinctions) revealed patterns not previously formalized in earlier models.

A third line of dispute involved the ontological status of the higher stages. The MetAware tiers became especially contentious. Within Integral discussions, some participants treated these stages as empirically grounded developmental structures, while critics argued they functioned more like metaphysical extrapolations—conceptual idealizations derived from contemplative and philosophical intuitions rather than stable, independently verifiable psychological constructs. This revived a recurring fault line in Integral Theory: the boundary between descriptive psychology and implicit spiritual ontology.

There was also a sociological dimension to the controversy. STAGES gained traction in leadership coaching, organizational consulting, and integral training contexts, which led some critics to worry about “credentialized developmental authority”—the idea that access to certain language or training could implicitly confer hierarchical status claims about human maturity. This raised concerns about elitism and the soft reintroduction of spiritual hierarchy under psychological terminology, even when explicitly disavowed by practitioners.

Finally, there were internal disagreements about integration with Ken Wilber's AQAL framework. While STAGES is not simply a derivative of AQAL, its resonance with integral meta-theory led some to treat it as a quasi-confirmation of Wilberian architecture. Others warned that this created a feedback loop: AQAL-inspired distinctions helping to shape STAGES, which in turn was then cited as support for AQAL-like developmental stratification. Critics saw this as epistemically circular, even if heuristically useful.

Over time, the controversy softened but did not disappear. STAGES became more institutionally stabilized through training programs and organizational adoption, while critical discussion largely migrated to less centralized forums. The result is a familiar Integral pattern: an influential model that is widely used in applied contexts, while remaining contested at the level of theoretical grounding and epistemic status.

Was this integral controversy ever resolved?

Short answer: no, there has been no clear, widely accepted resolution in the sense of a formal reconciliation or consensus between the Wilber-Cook-Greuter camp and the O'Fallon STAGES camp. What exists instead is an ongoing, partially cooled but structurally unresolved disagreement, with some convergence on specific points but continued divergence on theory, measurement, and claims of validity.

The original controversy (around 2016-2018, and continuing in various forms afterward) concerned three tightly linked issues: whether STAGES genuinely extends the Loevinger/Cook-Greuter ego development lineage, whether its additional higher-stage differentiations are empirically supported, and whether O'Fallon's early public claims about validation and relation to Wilber's AQAL model were premature. Cook-Greuter and Wilber (along with Sharma) criticized STAGES for overextension, insufficient empirical grounding, and unclear methodological justification for the higher-stage structure.

O'Fallon and colleagues responded in detail, arguing that (a) the critique misunderstood aspects of the model and sampling strategy, (b) STAGES replicated Cook-Greuter scoring up to mid-stages, and (c) the higher stages represent meaningful refinements not captured in earlier systems. They also acknowledged at least one substantive point: that early public statements about “validation” went beyond what the published research could yet support, and those claims were subsequently toned down or removed.

What happened after that is the key to your question. There was no decisive adjudication by independent peer-reviewed consensus bodies or large-scale replication studies that would settle the matter. Instead:

The debate largely moved out of direct public exchange between the principal figures and into parallel development communities (Integral Leadership Review, Pacific Integral, Cook-Greuter's MAP lineage, and related training ecosystems). STAGES continued to be developed and used in practitioner and coaching contexts, with incremental research outputs rather than a definitive validation study that would close the dispute. Cook-Greuter's MAP system continued independently as the more conservative continuation of the Loevinger lineage, with its own methodological boundaries and interpretations. Wilber's role remained more meta-theoretical; he commented at times but did not function as an arbiter producing a final resolution.

So the current state is best described as: partial convergence at the mid-stage mapping level (there is broad overlap up to conventional post-conventional stages), persistent disagreement about the ontological and empirical status of the “higher” STAGES tiers, and no institutional or scientific closure that would count as a resolution.

In practical terms, the controversy is now “settled” only in the sociological sense that both frameworks coexist and are used by different communities, not in the epistemic sense of one side having decisively validated or falsified the other.

NOTES

[1] See this "Letter to the Integral Community": Susanne Cook-Greuter, Ken Wilber, and Beena Sharma, "Integral Theory Making and the Need for Empirical Rigor: Observations from the Field of Adult Development", Transdisciplinary Leadership, 2017-08-31, in which the following points of critique are voiced about the STAGES model:

1. It asserts specific descriptors based on a meta-model.
2. It uses problematic terms to represent concepts.
3. It conflates stages and states of consciousness.
4. It covers child development within adult development theory.
5. It introduces and uses untested developmental stages.
6. It presents problematic stage descriptions.
7. It proposes a single metric to “measure” orienting generalizations.
8. It uses an unproven measurement method.
9. It lacks scientific validity and confirmation.
10. It misrepresents its validity: The StAGES theory and measurement are being prematurely promoted as validated.
11. O'Fallon presents StAGES with a degree of certainty despite known issues and lack of scientific rigor and research.

The STAGES team replied extensively: Terri O'Fallon, Tom Murray, Geoff Fitch, Kim Barta, and John Kesler, "A Response to Critiques of the STAGES Developmental Model", Transdisciplinary Leadership, 2017-08-31. From which:

Though a “Letter to the editor” is not a scientific paper and is not expected to be a rigorously written as regular articles, we think we have shown that the Critique shows substantial “shooting from the hip,” and includes some un-substantiated claims about STAGES, itself falling prey to some of the problems it attributes to STAGES reporting. We have granted that there was a period during which O'Fallon and colleagues made public claims too far before publication of results. However, the research design and analysis have been rigorous.