“…For example, it has been reported that round shapes are related to weakness, gentleness, mildness, kindness, comfortableness, approachableness, and harmony, whereas angular shapes are associated with hardness, harshness, cruelty, toughness, strength, and individuality (Berlyne,1974;Jiang, Gorn, Galli, & Chattopadhyay, 2016;Lundholm, 1921;Zhang, Feick, & Price, 2006). More recent research based on the stereotype content model (Fiske, Cuddy, Glick, & Xu, 2002) has suggested that the round shape is associated with the trait of warmth and the square shape is related to the trait of competence (Liu, Bogicevic, & Mattila, 2018;Okamura & Ura, 2018a, 2018b. These findings support the effect of exposure to shapes on social judgments.…”