A study tested the effectiveness of experiential learning techniques in food irradiation technology to positively influence understanding in both the affective and cognitive domain. Research shows that food irradiation is a safe food technology effective at reducing foodborne illness, but the adoption rate of the technology remains slow. The short course employed experiential components, such as tours of food irradiation facilities, group activities, and taste-tests of irradiated produce. Data were collected assessing participants' knowledge and perceptions about food irradiation, using Likert-type scales. The short course produced significant gains in participants' knowledge and positively influenced participants' perceptions of food irradiation issues.
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Laminack, J., Dainello, F., Degenhart, S. H., & Vestal, T. A. (2008). Increasing Positive Perceptions of Food Irradiation: Appealing to One's Affective Domain. The Journal of Extension, 46(4), Article 13. https://tigerprints.clemson.edu/joe/vol46/iss4/13