A way of designating a sequence of phases in an experiment. The first condition is assigned the label of A, and each different condition is given a new letter. The first condition is often a control c [..]

Viewing behavior (B) as a function of its consequences (C) and its antecedents (A). 2 (Sulzer Note. Numerals indicate the chapter(s) in which the term was introduced.

Behavior that is not typically observed, or is out of the ordinary or unusual. This term is relativistic in nature and refers to groups of individuals, and may pertain to specific subpopulations such [..]

The horizontal line of a graph, used to record the time that behavior occurred.

The horizontal or x-axis on a graph. In applied behavior analysis, the abscissa usually depicts successive trials or the passage of time, such as days.

A unit of measurement whose value is defined in a fixed or unvarying manner independently of the phenomenon being measured.

Sometimes the property of the stimulus which controls an operant performance may not be found in any single instance of the stimulus. When such is the case the control may be through an abstract prope [..]

Discrimination based on a single property of stimuli, independent of other properties; thus, generalization among all stimuli with that property (e.g., all red stimuli as Opposed to specific red objec [..]

A non-technical term which describes an organism whose performances are occurring at a low frequency because the number of performances required for reinforcement is too high. It is defined as the sta [..]

In the metaphor of memory storage and retrieval, the retrievability of a stored item; an item that is stored but not retrievable is said to be inaccessible. Cf. AVAILABILITY.