# SERT Model **Entity class:** Compartmental radicalization model **Aliases:** Susceptible-Extremist-Treatment-Recovered model **Maturity:** Developed ## Definition The **SERT model** partitions a modeled population into susceptible, extremist, treatment, and recovered compartments. Its treatment state makes deradicalization or intervention explicit and allows researchers to test how assumed transition rates affect a modeled reproduction threshold. The compartments are abstractions, not clinical diagnoses. ## Relationships - **variant of:** [[wiki/Epidemic Model|Epidemic Model]]. - **compared with:** [[wiki/SIR Model|SIR Model]] and [[wiki/SEIR Model|SEIR Model]]. - **intervention:** [[wiki/Deradicalization|Deradicalization]]. ## Sources / Provenance - [[research/A Network-Epidemiological Analysis of Radicalization and Real-Time Counterterrorism Observability|Network-Epidemiological Analysis]]