Improving dietary practices of elderly individuals: the power of prompting feedback, and social reinforcement.
Prompts plus on-the-spot praise and feedback reliably boost healthy food choices in nursing-home residents without extra prizes.
01Research in Context
What this study did
Three elderly adults lived in the same nursing home. Staff wanted them to pick more fruit and vegetables at meals.
Researchers tried an ABAB reversal. In the B phases, staff gave three things before each meal: a bright picture card of healthy foods, spoken praise for picking those foods, and immediate spoken feedback about the choice.
They also tested two extras: a small lottery ticket and a peer cheerleader. The study kept daily counts of healthy food picks.
What they found
Healthy choices jumped in every B phase and dropped in every return-to-baseline phase. The gains were large for all three residents.
The lottery tickets and peer cheerleader added nothing. Prompts, praise, and quick feedback did all the work.
How this fits with other research
Chock et al. (1983) said behavioral methods can help older adults, but they had no proof of which parts matter. Stock et al. (1993) now shows the active pieces: prompt, praise, and feedback.
Pachis et al. (2019) later tested video versus text prompts to teach tablet skills to seniors. Both worked, matching the 1993 finding that clear prompts alone can drive new behavior in this age group.
Bacon et al. (1998) used the same trio—prompts, feedback, and edible reinforcers—with adults who have severe ID and also saw big gains. The package travels well across populations when the goal is daily living skills.
Why it matters
You do not need fancy tech or prize bins to improve elder care. A pocket-sized picture card and a few kind, specific words right after the choice can shift long-term habits. Try it at the next meal round: show the card, praise the apple, and say, “Great pick!” Repeat daily and chart the change.
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02At a glance
03Original abstract
Three intervention packages consisting of (a) enhanced prompts, feedback, and social reinforcement; (b) a lottery; and (c) serving as a confederate were added and removed in sequence as adjacent conditions in an extended withdrawal design to assess their effects on the dietary choices of elderly persons. Participants were 3 elderly residents of an independent living facility who were identified as making consistently poor dietary choices and who had medical conditions that necessitated changes in their eating habits. All 3 participants demonstrated a marked increase in healthy choices of food items in response to the package of enhanced prompts, feedback, and social reinforcement. No additional increase occurred with the introduction of the lottery and serving as a confederate. Food-choice data indicated that most of these improvements could be attributed to healthier entree and dessert choices. Group data for all residents suggested small improvements in dietary practices during the three intervention conditions, with the largest proportion of the group's healthy choices occurring when the lottery was added to enhanced prompts, feedback, and social reinforcement. Food-choice data indicated that most of these improvements could be attributed to healthier dessert choices alone.
Journal of applied behavior analysis, 1993 · doi:10.1901/jaba.1993.26-379