psy·cho·met·rics 
(sī′kə-mĕtrĭks)
(sī′kə-mĕtrĭks)n. (used with a sing. verb)
The branch of psychology that deals with the design, administration, and interpretation of quantitative tests for the measurement of psychological variables such as intelligence, aptitude, and personality traits. Also called psychometry.
psy′cho·metric, psy′cho·metri·cal adj.
psy′cho·metri·cal·ly adv.
psy·chom′e·trician (sī-kŏm′ĭ-trĭshən), psy·chome·trist (sī-kŏmĭ-trĭst) n.
- on the make
- on the march
- on the market
- on the mend
- on the money
- on the move
- on the nose
- on the off chance
- on the onehand
- on the order of
- on the other hand
- on the outs
- on the part of
- on the prowl
- on the qui vive
- on the rack
- on the rag
- on-the-record
- on the right foot
- on the road
- on the rocks
- on the ropes
- on the run
- on the same wavelength
- on-the-scene