Women in Science Scale-Revised (WiSS-R) is a revised version of the original tool - Women in Science Scale (WiSS), a 27-item Likert type scale created by Erb & Smith in 1984. For reference, please see Erb, T. O., & Smith, W. S. (1984). Validation of the Attitude Toward Women in Science Scale for Early Adolescents. Journal of Research in Science Teaching, 21, 391–397.