(Reber) Literally, pertaining to the measurement of that which is psychological. Hence: 1. Pertaining to mental testing in any of its facets, including assessment of personality, evaluation of intelligence, determining aptitudes, etc. 2. Pertaining to psychophysics. 3. Pertaining to issues of the application of principles of mathematics and statistics to the data of psychology.

of or relating to psychometrics; "psychometric journals"