Self-improvement recommendations to lose weight, quit smoking, or eat more fruits and vegetables can fall on deaf ears if the message is mixed, according to new research.
When recommending multiple behavior changes, it’s more effective if the messages are framed along similar lines, according to a new paper from Dr. Dolores Albarracin, a professor of psychology at the University of Illinois.
In other words, two actions or two inactions are more effective than a mix of positive and negative instructions.
“What we found is that it’s better to combine them in a homogeneous way,” said Albarracin. “If you tell people to engage in two behaviors and the behaviors are a mix of actions and inactions, it’s likely that recipients will adhere less. It’s easier to frame the recommendations along the same axis of action or inaction. You don’t want to work against yourself or at cross-purposes with your message.”
Trying to get people to increase both their intake of fruits and their volume of exercise “goes together better in that both are increases in recommended action and may be remembered and executed more effectively,” Albarracin said.
“Telling someone to increase exercise while decreasing their fat intake isn’t nearly as effective, as shown in behavioral and clinical outcomes,” she said. “It’s better to say ‘Increase exercise and increase the amount of vegetables you eat’ than ‘Increase exercise and decrease fat intake.'”
The paper, published in the journal Health Psychology Review, is a meta-analysis of 150 research reports of interventions promoting multiple behavior changes and measuring change at the most immediate follow-up.
The findings provide important insights on how to best combine recommendations when interventions target clusters of health behaviors, Albarracin said.
“The problem of how many behaviors we can combine is important, but equally critical is how to combine them,” she said. “Previously, there wasn’t much guidance on what the optimal combination is. There wasn’t any sort of logic to it. This paper gives you a fairly robust answer because it looks at the literature as a whole.”
She notes the findings are relevant to health care organizations, health care marketing and any type of organization that is trying to change employee behavior.
“In terms of organizational behavior, if you’re trying to train people to execute a few different behaviors, it would be better to frame it this way rather than mix and match,” Albarracin said. “If you’re trying to create employee health programs, for example, think of it as one package. You don’t want to overload people with information, but you also don’t want to have a message that’s at cross-purposes with itself.”
Source: University of Illinois
Photo: Self-improvement messages to lose weight, quit smoking or eat more fruits and vegetables can fall on deaf ears if the intervention message is mixed, says new research from U. of I. psychology professor Dolores Albarracin. Credit: L. Brian Stauffer.
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