Machiels, C.J.A. & Orth, U.R. (2017). Verticality in product labels and shelves as a metaphorical cue to quality. Journal of Retailing and Consumer Services, 37, 195-203. http://dx.doi.org/10.1016/j.jretconser.2017.02.009

Karnal, N., Machiels, C.J.A., Orth, U.R., & Mai, R. (2016). Healthy by design, but only when in focus: Communicating non-verbal health cues through symbolic meaning in packaging. Food Quality and Preference, 52, 106-119. http://doi.org/10.1016/j.foodqual.2016.04.004.

Machiels, C.J.A. & Karnal, N. (2016). See how tasty it is? Effects of symbolic cues on product evaluation and taste. Food Quality and Preference, 52, 195-202. http://dx.doi.org/10.1016/j.foodqual.2016.04.014