Some psychology scales that my colleagues and I have developed. Free for noncommercial usage
Konrath, S. (2013) A critical analysis of the Interpersonal Reactivity Index. MedEdPORTAL Directory and Repository of Educational Assessment Measures (DREAM)
Dempsey, A., Fuhrel-Forbis, A., & Konrath, S. (2014) Use of the Carolina HPV Immunization Attitudes and Beliefs Scale (CHIAS) in Young Adult Women. PLoS ONE. DOI: 10.1371/journal.pone.0100193.
Konrath, S., Meier, B., & Bushman, B. (2018) Development and validation of a single-item trait measure of empathy (SITES). Journal of Research in Personality, 73, 111-122.
Konrath, S. & Handy, F. (2018) The Development and Validation of the Motives to Donate Scale, Nonprofit and Voluntary Sector Quarterly