Mathematically, parameter is a constant in an equation that defines the form of the curve; in psychology, it is a constant that defines the curve of a psychological function, like learning. The term is sometimes used loosely, and wrongly, as if it was 'perimeter'.

Webster Dictionary Meaning

1. Parameter
- A term applied to some characteristic magnitude whose value, invariable as long as one and the same function, curve, surface, etc., is considered, serves to distinguish that function, curve, surface, etc., from others of the same kind or family.
- Specifically (Conic Sections), in the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate.
- The ratio of the three crystallographic axes which determines the position of any plane; also, the fundamental axial ratio for a given species.
Share it:  Cite

More from this Section

  • Facial-feedback hypothesis
    The hypothesis that facial expressions not only reflect emotional experience but also ...
  • Anaesthesia
    Anaesthesia is the loss of sensitivity to stimulation which may be total (as when a general ...
  • Mind to the body
    One of the most ancient of philosophical debates; what is the relationship of the mind ...
  • Social identity theory
    Social identity theory is the idea that we readily divide people into in groups and out-groups ...
  • Deadline Technique
    Deadline Technique is a technique for increasing compliance in which target persons are ...