WordNet (r) 3.0 (2006):

psychometrics
    n 1: any branch of psychology concerned with psychological
         measurements [syn: psychometry, psychometrics,
         psychometrika]

Moby Thesaurus II by Grady Ward, 1.0:

92 Moby Thesaurus words for "psychometrics":
   IQ meter, abnormal psychology, academic psychology, altimetry,
   analytical psychology, animal psychology, applied psychology,
   association psychology, bathymetry, biometrics, biometry,
   cadastration, cartography, child psychology, chorography,
   clinical psychology, cognitive psychology, comparative psychology,
   constitutional psychology, craniometry, criminal psychology,
   depth psychology, developmental psychology,
   differential psychology, dynamic psychology, ecological psychology,
   educational psychology, existential psychology,
   experimental psychology, faculty psychology, folk psychology,
   functional psychology, genetic psychology, geodesy, geodetics,
   goniometry, group psychology, hormic psychology, hypsography,
   hypsometry, industrial psychology, intelligence testing,
   lie detector, mensuration, mental philosophy, metrology,
   morbid psychology, neuropsychology, oceanography, parapsychology,
   phenomenological psychology, physiological psychology, planimetry,
   polygraph, popular psychology, psychobiochemistry, psychobiology,
   psychodiagnostics, psychodynamics, psychogalvanometer,
   psychogenetics, psychogeriatrics, psychogram, psychograph,
   psychography, psycholinguistics, psychological medicine,
   psychological profile, psychological screening,
   psychological warfare, psychology, psychometer, psychometry,
   psychonomics, psychonomy, psychopathology, psychophysics,
   psychophysiology, psychosomatics, psychotechnics, psychotechnology,
   psychotherapeutics, race psychology, rational psychology,
   reactology, reflexology, self psychology, social psychology,
   stereometry, structural psychology, surveying, topography