In an ipsative manner.

(psychology) Denoting a measure that forces an individual to choose among multiple desirable options. / (education) Comparing a measure of an individual against that individual's previous assessments.

The quality of being ipsative.

(rhetoric) A dogmatic and unproved proposition or dictum that is accepted solely on the authority of someone who is known to have asserted it. / An authority who makes such an assertion.

plural of ipse dixit