RepGrid_HCII2007 Usability Constructs A Cross-Cultural Study of How Users and Developers Experience Their Use of Information Systems by Morten Hertzum, Torkil Clemmensen, Kasper Hornbæk, Jyoti Kum RepGrid_HCII2007 Usability Constructs A Cross-Cultural Study of How Users and Developers Experience Their Use of Information Systems by Morten Hertzum, Torkil Clemmensen, Kasper Hornbæk, Jyoti Kum