Effects of living room, Snoezelen room, and outdoor activities on stereotypic behavior and engagement by adults with profound mental retardation.
Outdoor activity beats Snoezelen rooms for cutting stereotypy and lifting engagement in adults with profound ID, but the benefit stays only while they stay outside.
01Research in Context
What this study did
Researchers compared three places where adults with profound ID spend time. The places were a living room, a Snoezelen room, and an outdoor yard.
Each adult rotated through the three places while staff scored stereotypic behavior and engagement. The design let the team see which place worked best in real time.
What they found
Outdoor time cut stereotypy the most and lifted engagement the highest. The Snoezelen room came in second. The plain living room helped the least.
The gains stayed only in the place where they happened. Once the person went inside, stereotypy returned to baseline.
How this fits with other research
Crane et al. (2010) extends this finding. They showed adults with ID who joined organized sports gained more fitness than peers who only had free play. Together the papers say both free outdoor time and structured sports help adults with ID, just in different ways.
Lang et al. (2009) used an alternating-treatments design like this study, but worked with a child with ASD. They found letting the child do five minutes of free stereotypy before play cut later stereotypy. Both studies show you can shrink stereotypy without medicine, one by changing the place and one by changing the momentary context.
Duker et al. (1996) looks like a contrast at first glance. They stopped stereotypy with quick interruption prompts and saw on-task behavior jump. The 2001 paper never used prompts; they just walked outside. The two studies do not clash—they simply give you two toolboxes: change the place or change the response.
Why it matters
If you serve adults with profound ID, schedule real outdoor activity before indoor tasks. A walk, a ball toss, or time on a swing set can give you thirty minutes of lower stereotypy and higher engagement with no extra tokens or prompts. Do not rely on the Snoezelen room alone, and do not expect carryover—re-create the outdoor session each time you need it.
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02At a glance
03Original abstract
Two experiments were conducted to test the effect of a room with sensory equipment, or Snoezelen room, on the stereotypic behavior and engagement of adults with profound mental retardation. In Experiment 1, participants were observed in their living room before and after attending the Snoezelen room. Results showed that there tended to be a reduction in stereotypy and increase in engagement when participants went from their living room to the Snoezelen room, and a return of these behaviors to pre-Snoezelen levels in the living room. Positive effects in the Snoezelen room did not carryover to the living room. In Experiment 2, the living and Snoezelen rooms were compared to an outdoor activity condition with the same participants and target behaviors. Results showed that the outdoor condition was superior, the Snoezelen condition intermediate, and the living room least effective in their impact on stereotypic behavior and engagement. Conceptualizations regarding factors that maintain stereotypic behavior and engagement were discussed in the context of the three experimental conditions.
Research in developmental disabilities, 2001 · doi:10.1016/s0891-4222(01)00067-1