Assessing the role of effort reduction in the reinforcing efficacy of timeout from avoidance.
Timeout is valuable because it pauses work, not because it removes something aversive.
01Research in Context
What this study did
Researchers tested why timeout works. They used rats in a lab. The rats could press a lever to avoid mild shocks.
Sometimes the rats got a timeout from this work. The team changed two things: how long warning signals lasted, and whether the lever stayed or went away.
What they found
Timeout responding went up when warning signals grew longer. It dropped when the lever was removed.
The results show the reinforcer is not fewer shocks. The reinforcer is a break from effort.
How this fits with other research
Ward et al. (2017) later saw the same pattern in children. Brief 'wait outs' from tasks cut escape behavior and boosted compliance. The lab finding extends to real clients.
FARMEMOORHEARSKELLEHER et al. (1964) once argued timeout simply removes something bad. The new data say that view is too simple. Effort relief, not just shock avoidance, drives the effect.
Craig et al. (2017) used lights and clicks to lessen resurgence after extinction. Both studies use single-case lab designs, but M et al. target effort while Craig et al. target conditioned stimuli.
Why it matters
When a learner bolts from work, think 'effort break,' not 'escape from demand.' Build in short, scheduled pauses before problem behavior starts. A two-minute wait-out may give the same relief as traditional escape extinction, but with less fallout. Try inserting micro-breaks every five tasks and watch if compliance rises.
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02At a glance
03Original abstract
Rats responded on concurrent schedules of shock-postponement or deletion (avoidance) and timeout from avoidance. In Experiment 1, 3 rats' responses on one lever postponed shocks for 20 s and responses on a second lever produced a 1-min timeout according to a variable-interval 45-s schedule. Across conditions, a warning signal (white noise) was presented 19.5 s, 16 s, 12 s, 8 s, or 4 s before an impending shock. Raising the duration of the warning signal increased both avoidance and timeout response rates. Timeout responding, although positively correlated with avoidance responding, was not correlated with the prevailing shock rate. In Experiment 2, 3 rats' responses on one lever deleted scheduled shocks according to a variable-cycle 30-s schedule and responses on a second lever produced a 2-min timeout as described above. After this baseline condition, the avoidance lever was removed and noncontingent shocks were delivered at intervals yoked to the receipt of shocks in the baseline sessions. Timeout responding decreased when the avoidance lever was removed, even though the shock-frequency reduction afforded by the timeout remained constant. These results suggest that a key factor in the reinforcing efficacy of timeout is suspension of the requirement to work to avoid shock, rather than the reduction in shock frequency associated with timeout.
Journal of the experimental analysis of behavior, 2012 · doi:10.1901/jeab.2012.98-257