Table 3 Typical Levels of Evaluation Required when Population and/or Delivery System Change
From: “Scaling-out” evidence-based interventions to new populations or new health care delivery systems
SYSTEM | ||||
|---|---|---|---|---|
Domain (mean, regression from Fig. 1) | Same | Different | ||
POPULATION | ||||
Same | Scaling-Up | Type I Scaling-Out: Population fixed, different delivery system | ||
Implementation Fidelity (a, α) Intervention Fidelity (b, β) Reach (c, γ) Adoption (a, α) Sustainment (a, α) Health Outcome (d, e, δ) | a = 1–2, α = 0 b = 1–2, β = 0 c = 1, γ = 0 a = 1, α = 0 a = 1, α = 0 d, e = 0, δ = 0 | a = 2, α = 0 b = 1–2, β = 0 c = 1, γ = 0 a = 2, α = 0 a = 2, α = 0 d, e = 0, δ = 0 | ||
Different | Type II Scaling-Out: Delivery System Fixed, different population | Type III Scaling-Out: Different Population and Delivery System | ||
Implementation Fidelity (a, α) Intervention Fidelity (b, β) Reach (c, γ) Adoption (a, α) Sustainment (a, α) Health Outcome (d, e, δ) | a = 1,2, α = 0 b = 1–2, β = 0 c = 2, γ = 0 a = 1, α = 0 a = 1, α = 0 d, e = 0, δ = 0 | a = 2, α = 1–2 b = 2, β = 1–2 c = 2, γ = 0 a = 1, α = 0 a = 1, α = 0 d, e = 2–3, δ = 0–3 | ||