Latency
The measurable duration of time between the onset or appearance of a stimulus and the initiation of the response.
Latency-based FA
A variation of the functional analysis that measures the time between the presence of an EO to the onset of the challenging behavior. Each trial is terminated as soon as
6th Edition TCO
Least-to-most prompting
A method of prompt fading for individuals who exhibit the skills necessary to complete the task but are not engaging in the correct response. This method typically starts with the least
Level
On a line graph, the degree to which the data points on the y-axis converge, established by calculating the mean or median of the graphed data points.
6th Edition TCO
Limited hold
A component that can be added to a schedule of reinforcement limiting access to reinforcement for correct responses that occur within a specific and fixed time.
Line graph
A chart used to display the occurrence of behavior across specific time periods. Each data point shows the level of some quantifiable feature of the dependent variable in relation to
Listener discrimination
A non-verbal response evoked by listening to a speaker’s verbal SD and doing what is instructed due to a history of generalized conditioned reinforcement.
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6th Edition TCO
Magnitude
The measurable dimension of a behavior’s strength, force, intensity, and/or severity.
6th Edition TCO
Mand
An elementary verbal operant in which the speaker’s verbal behavior is controlled by motivating operations and has a history of specific reinforcement.
6th Edition TCO
Masking
When a stimulus has acquired stimulus control over a specific response, but a competing stimulus is present, blocking stimulus salience, and causing a decrease in the occurrence of the learned