IPA: //ʌnˈstændəˌdaɪzd//
KK: /ʌnˈstændərˌdaɪzd/
Not made to conform to a standard or norm; lacking uniformity or consistency.
The results of the study were based on unstandardized measurements, which made comparisons difficult.
Unstandardized → It is formed from "un-" (meaning not) and "standard" (from Old French *estandard*, meaning a model or norm) and "-ized" (meaning to make or become). The word "unstandardized" means not made to conform to a standard or norm.
Think of 'not' ('un-') conforming to a 'model' ('standard') — that's why unstandardized means not made to fit a standard.