Definition from Wiktionary, the free dictionary
bifactor (plural bifactors)
- A factor that influences two (separate or related) consequences
2015 July 28, “Can Optimism, Pessimism, Hope, Treatment Credibility and Treatment Expectancy Be Distinguished in Patients Undergoing Total Hip and Total Knee Arthroplasty?”, in PLOS ONE, DOI:10.1371/journal.pone.0133730:
- Posthoc, a bifactor model in which (besides the 5 separate factors) a general factor is hypothesized accounting for the commonality of the items showed a significantly better fit than the five factor model.