This retrospective consecutive case series examined the latency to onset and persistence of renewal (recurrence of challenging behavior after context changes) in 98 intensive outpatient patients, analyzing 749 context changes involving person, setting, and task variables.
Renewal emerged rapidly (mean 1–2 sessions; 50% began in the first post-change session). Most episodes were brief (49.74% resolved within one session), but 32.28% persisted ≥3 sessions and 12.17% persisted ≥5 sessions. Greater renewal magnitude predicted prolonged persistence; latency did not predict magnitude or persistence.
Retrospective design limits causal inference; the sample is drawn from a single intensive outpatient clinic, which may limit generalizability to other settings or less severe populations; context-change types were not independently associated with latency or persistence, but the granularity of type classification is not detailed.
Clinicians should anticipate that challenging behavior can re-emerge as early as the very first session after a context change (new person, setting, or task) and plan extended monitoring accordingly. When renewal is large in magnitude, prepare for a longer recovery period and prioritize high-fidelity treatment implementation.
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