What does "ipsative" mean?

Denoting a measure that forces a person to choose among multiple desirable options.

Ipsative

/ˈɪpsətɪv/ adj

adj ·Rare ·Advanced level

Adjective

1
Denoting a measure that forces a person to choose among multiple desirable options. not-comparable
"Myers-Briggs uses ipsative measures, whereas the Five-Factor Model uses normative measures."
2
Comparing a measure of a person against that person’s previous assessments. not-comparable

"Myers-Briggs uses ipsative measures, whereas the Five-Factor Model uses normative measures."

From Latin ipse (“of the self”).