Table 2 Type of two-factor interaction results
Condition | Type of interaction |
|---|---|
q(X1 ∩ X2) < Min(q(X1),q(X2)) | Non-linear weakening |
Min(q(X1),q(X2)) < q(X1 ∩ X2) < Max(q(X1),q(X2)) | Single-factor nonlinear attenuation |
q(X1 ∩ X2) > Max(q(X1),q(X2)) | Two-factor enhancement |
q(X1 ∩ X2) q(X1) + q(X2) | Independent role |
q(X1 ∩ X2) > q(X1) + q(X2) | Non-linear enhancement |