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Tests in Real-life Situation Increase Success Rate of Product Innovations

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Tests in Real-life Situation Increase Success Rate of Product Innovations

Tests in Real-life Situation Increase Success Rate of Product Innovations
March 21
09:24 2017

The context in which consumers eat, has a major impact on how they evaluate the taste of foods. This conclusion has been drawn following a study of airplane meals, carried out by Wageningen Food & Biobased Research. The scientists demonstrated that real-life testing situations can be effectively simulated in a lab. The study, published in the Journal of Sensory Studies, gives insight to manufacturers on how to improve the predictive value of product tests, and thereby increase the success rate of product innovations.

The researchers asked 466 consumers to judge a selection of airplane meals. Approximately half (242) of the people did this in a lab in two different testing contexts: in conventional test labs and in test cabins, which simulated being on board an aircraft. The ‘on board’ participants sat in airplane seats, in rows close to each other, and each of them had a boarding pass. They received safety instructions and, in the background, they could hear the sound of aircraft engines. Their meals were served by flight attendants. The remaining participants (222 people) rated their meal ‘in flight’ during a trip aboard a real aircraft. In total, four different airplane meals (two with rice, two with pasta) were evaluated.

In test lab or on board
The ratings of meals in the simulated aircraft situation and on board a real plane were very similar. Ratings in the test labs, for half of the meals, differed significantly from the other two situations. In the test labs participants gave all the meals a comparable rating, whereas in both ‘on board’ situations one meal was rated as clearly tastier than the other.

Added value real-life testing
“The results of our study demonstrate the added value of testing in a real-life environment,” says Nancy Holthuysen, researcher at Wageningen Food & Biobased Research, and leader of the project. “The studies also show that a real-life environment can be effectively created in the lab, often in a cost-efficient way. This even applies to the situation on board an aircraft, where you not only need to take into account background noise and passenger comfort, but also low humidity and changes in air pressure.”

Publication
The scientists have described the study in the Journal of Sensory Studies. Following the project, Wageningen Food & Biobased Research has extended its lab facilities by creating an experience room where almost any situation can be simulated upon request  – from airplane to grand café, living room to supermarket.

Predictive value
On average, two-thirds of newly-launched food products disappear from the market within a year, because the consumer’s appreciation is less than expected. Manufacturers and caterers often limit themselves to product tests in conventional test labs, as they consider research in a real-life situation too expensive, too time-consuming or too complex. Research in test labs, however, has low predictive value.

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