Ninety-five percent confidence set of the candidate models of factors influencing probability of space use by black-footed ferrets relative to space use by badgers on colonies of black-tailed prairie dogs within the Lower Brule Indian Reservation and Buffalo Gap National Grasslands, South Dakota, during 2008–2010 QIC is the quasilikelihood under the independence model criterion. ΔQIC is the difference from the model with the lowest QIC value.
Source: wiktionary