“…The theoretical background of these effects can be deduced from socialization theory, social expectancy theory and fitness-related evolutionary theories like mate selection theory (Langlois et al, 2000). However, the concept of attractiveness has also been used in the case of objects/places (Chang, Lai, & Chang, 2007), interactive systems (Hartmann et al, 2007), organizational units (Lekwa, Rice, & Hibbing, 2007) and ideas/attitudes (Hsu, Ito, Schweikert, Matsuda, & Shimojo, 2011).…”