variable-interval schedule

[ˈvɛriəbəl ˈɪntərvəl ˈskɛdʒuːl]
nounpl: variable-interval schedules
esquema de intervalo variável
1. A reinforcement schedule in behavioral psychology where a reward is given after an unpredictable amount of time has elapsed, provided the desired behavior is performed
The slot machine operates on a variable-interval schedule, rewarding players at random time intervals.
A máquina caça-níqueis funciona em um esquema de intervalo variável, recompensando os jogadores em intervalos de tempo aleatórios.
2. A pattern of reinforcement used in operant conditioning research where the timing between reinforcements is unpredictable but averages a fixed duration
In the experiment, the pigeon received food on a variable-interval 60-second schedule.
No experimento, o pombo recebeu comida em um esquema de intervalo variável de 60 segundos.
This term is fundamental in behavioral psychology, originated from B.F. Skinner's research. It's widely used in academic settings in both the USA and Brazil. The concept is particularly relevant to understanding addictive behaviors such as gambling, social media engagement, and video game mechanics, making it increasingly present in popular discussions about technology and psychology in contemporary culture.
Synonyms / Sinônimos
VI schedulevariable-interval reinforcementrandom-interval scheduleunpredictable-interval schedule
Antonyms / Antônimos
fixed-interval schedulevariable-ratio schedulefixed-ratio schedulecontinuous reinforcement

Regional Variations

General Brazilian Portuguese
esquema de intervalo variável
Standard academic and psychological terminology used in universities and research institutions
Portugal
esquema de intervalo variável
Same terminology used in Portuguese academic contexts
USA Academic
variable-interval schedule
Primary term used in behavioral psychology and neuroscience research and education

Related Words

operant conditioningreinforcement schedulebehavioral psychologyB.F. Skinnerextinctionintermittent reinforcement

Related Idioms & Phrases

keep someone on a variable-interval schedule - to unpredictably reward or reinforce someone's behavior
variable-interval reinforcement keeps people coming back - referring to the addictive nature of unpredictable rewards
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