Cognitive Stratum (Jaques)

What it is

The SCALE of reasoning: the time horizon you sustain (weeks? years? decades?) and the complexity of world you can hold together coherently — Jaques’s ordinal ladder (I–VIII). There’s no multiple-choice test: it’s read from your episodes in the interview — the project with the longest reach, the multi-factor decision, the system you understand end to end. The rule is the CEILING: the highest level SUSTAINED across episodes, never the average or the aspiration.

Where it comes from

What it does NOT measure

It isn’t the MODE of processing (Cognitive Style), nor worldview (Spiral), nor IQ, and — importantly — it isn’t a person’s worth: stratum measures the reach of complexity, not merit.

Evidence — limited evidence

Jaques’s Cognitive Strata framework offers one of the few attempts to measure the complexity of work and individual capability objectively, through the time-span of discretion. The foundational works are real and verifiable (Measurement of Responsibility, Tavistock, 1956; Equitable Payment, Heinemann, 1961; the formulation of the four cognitive states in the Journal of Applied Behavioral Science, 22(4):361–383, 1986). Empirical correlations between time-span and felt-fair pay have been reported — r≈0.90 at Glacier Metal and r=0.86 in Richardson’s study at Honeywell (Fair Pay and Work, 1971) — but these figures come mostly from Jaques himself and from syntheses within his ecosystem, not from independent peer-reviewed reporting; Richardson’s study is a doctoral dissertation published by Southern Illinois University Press (not Heinemann, as has circulated), which limits external methodological scrutiny. The derived tool, Career Path Appreciation (CPA), has published reliability data: Oosthuizen, Coetzee and Kruger (SA Journal of Industrial Psychology, 40(2), 2014) confirmed, with N=527 over an interval of about four years, significant positive test–retest correlations — although the specific coefficients often cited (r=0.67 current; r=0.59 potential) were not verified here in the primary source. Serious critics exist and have been confirmed: Gordon (Personnel Psychology, 1969) concluded that poorly defined instruments and concepts make replication "virtually impossible", and Whittington & Bellaby (Sociological Review, 1979) argued that the theory naturalizes as "natural" what is political and institutional. Outside the Jaques/BIOSS/ROII ecosystem, independent validation is scarce and the theory remains peripheral in mainstream organizational and cognitive psychology — not because of internal incoherence, but because of the absence of an independent, cumulative and psychometrically rigorous research program. The "limited" status (rather than "symbolic") reflects the existence of real empirical correlations and instruments with published reliability data; the central problem is the independence of the validation, not the absence of numbers.

The studies behind this

Real, verifiable references — click to check them yourself. That’s what separates a reading from a horoscope.

How it enters the crossing

Anchor tier (0.85) — the 16th lens (Story 511). It reads the horizon episodes that "The Movements" phase gathers on purpose. In the portrait, it answers a question no other lens touches: the SIZE of the problem that fits you.