Replicating five pupillometry studies of Eckhard Hess

Several papers by Eckhard Hess from the 1960s and 1970s report that the pupils dilate or constrict according to the interest value, arousing content, or mental demands of visual stimuli. However, Hess mostly used small sample sizes and undocumented luminance control. In a first experiment (N = 182) and a second preregistered experiment (N =...

Pleasantness and arousal in twenty-five positive emotions elicited by durable products

This study reports quantitative research into two basic dimensions of emotions: pleasantness and arousal. Fifty-nine participants evaluated these two dimensions for a set of twenty-five positive emotions in relation to human-product interactions. Three levels of arousal were iden- tified: ‘exciting’, ‘median’ and ‘calm’. Nine emotions were found...

Pleasure, arousal, dominance: Mehrabian and Russell revisited

This paper presents a discursive review of the dimensions pleasure, arousal and dominance that Mehrabian and Russell developed in 1974 to assess environmental perception, experience, and psychological responses. Since then numerous researchers applied these dimensions to assess the experience of the physical environment and its perceived...