Individual differences | Methods | Statistics | Clinical |
Educational | Industrial | Professional items | World psychology
| - For the parapsychology phenomenon of distance knowledge, see
psychometry. - For the measurement of the heat and water vapor
properties of air, see psychrometrics. Individual differences |
Methods | Statistics | Clinical | Educational | Industrial |
Professional items | World psychology | Psychometrics is the
field of study concerned with the theory and technique of
psychological measurement, which includes the measurement of
knowledge, abilities, attitudes, and personality traits. The
field is primarily concerned with the study of differences
between individuals. It involves two major research tasks,
namely: (i) the construction of instruments and procedures for
measurement; and (ii) the development and refinement of
theoretical approaches to measurement. Origins and background
Much of the early theoretical and applied work in psychometrics
was undertaken in an attempt to measure int