The 2 x 2 factorial design has been advocated for improving the efficiency of clinical trials. Most such trials are designed on the assumption that there is no interaction between the levels of the ...

Effect of Breast Magnetic Resonance Imaging on the Clinical Management of Women With Early-Stage Breast Carcinoma PURPOSE: Factorial designs may be proposed to test extra questions within a clinical ...

This is a preview. Log in through your library . Abstract A technique for single degree of freedom partitioning of canonical contrasts for prime level factorials with quantitative levels is reviewed.