Effects of picture referencing on PVC chair, love seat, and settee assemblies by students with mental retardation.
One photo shown right after an error teaches chained assembly faster than full picture sets or video.
01Research in Context
What this study did
Students with intellectual disability learned to build a PVC chair. The task had 13 steps.
After any mistake the teacher showed one photo of the correct part. The student tried again.
Later the same teens built a love seat and a settee. The teacher used the same one-picture hint.
What they found
One photo after an error beat full photo books and video clips.
Students finished the chair alone after only a few trials. They needed even fewer trials for the harder love seat and settee.
How this fits with other research
Nevin et al. (2005) later compared static pictures to video modeling for ATM use. Both worked the same. Their null result looks different, but the task was shorter and had fewer steps.
Meuret et al. (2001) reviewed many studies and said picture self-cues are practical for severe ID. The 1992 paper is inside that review, so the larger body backs the single-study claim.
Feldman et al. (1999) moved the same picture-manual idea to parenting skills. Nine of ten mothers with ID mastered child-care steps. The format keeps winning across tasks and ages.
Why it matters
You do not need long picture strips or edited videos. Keep one clear photo of each step on a ring. After an error, point to the photo and say, "Make it match this." Start with a simple task, then let the same cue guide harder jobs. This saves prep time and speeds independence for older students or adults in vocational labs.
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02At a glance
03Original abstract
This study examined the effects of two indirect corrective feedback procedures on the assembly skills of five secondary students with moderate mental retardation. Picture and video referencing conditions, during which the experimenters pointed to a picture or video screen following a performance error and requested the student do the step again, were more effective than assembly photographs, sequenced pictures, sequenced pictures and modeling, and video modeling conditions. Picture referencing enabled each participant to independently assemble a 13-step, 31-piece chair that required assembly of 45 loose, assembled, or loose and assembled parts. Following the introduction of picture referencing across two more complex tasks, four students independently completed more complex love seat and settee assemblies in fewer trials than required during their initial chair assembly. This article discusses the self-correction and self-management implications.
Research in developmental disabilities, 1992 · doi:10.1016/0891-4222(92)90029-6