Skip to main content
Intermediate Technical IVT

latency period

The time interval between presentation of a stimulus and the initiation of a behavioral response.

Full Definition

In behavioral science, the latency period refers to the measurable time delay between the presentation of a discriminative stimulus or instruction and the beginning of the target behavior or response. This temporal measurement is crucial for assessing treatment effectiveness, particularly in autism interventions and skill acquisition programs. Shorter latency periods typically indicate stronger stimulus control and more fluent responding, while increased latency may suggest confusion, lack of motivation, or insufficient learning.

Usage

Usage note: Distinguish from 'duration' (how long a behavior lasts) and 'frequency' (how often it occurs).

In Context

  • "The child's latency period for following instructions decreased from 8 seconds to 2 seconds after three weeks of intervention." — Progress report
  • "Data collection should include latency period measurements to assess the fluency of newly acquired skills." — Treatment protocol

Also known as

response latency reaction time

Contrasted with

immediate response

Don't confuse with

duration frequency

Editors from these organisations have used our services since 1998

Reuters BBC Oxford University Press Penguin Random House Springer Microsoft Suncor Energy United Nations Fisher Investments IBM The Home Depot KODAK CHEVRON