En-ADT Item Pool
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Item Pool for the En-ADT ModelThis study introduces the En-ADT model, a novel psychological framework for quantifying existential sustainability through structural predictors. The model combines the Equation of Enough (En), composed of five dimensions, Effective Stress, Effective Success, Temporal Distribution, Contextual Relevance, and Narrative Simulation, with the Actualization Death Threshold (ADT), a scale capturing actualization and collapse beyond traditional instruments. In Phase 1 (N = 44), the ADT scale was validated as a separate construct. In Phase 2 (N = 250), the Equation of Enough (α= .959) significantly predicted ADT (α= .907) scores. The five-factor model explained 79 percent of the variance (R² = .790, f² = 3.76), while the composite score showed similar predictive power (R² = .770, f² = 3.35). Both models showed large effects, with post hoc power analyses indicating power > .999 (f² > 3.3; G*Power 3.1). These findings position the En-ADT model as a structurally grounded, high-precision method for locating individuals along the continuum of existential sustainability and collapse, offering a new class of predictive tools for existential modelling.