Photos used in the procedure are in NCET_36_photos.7z file. NCET_mind.pptx file contains photos paired with a term describing mental state and NCET_gender.pptx contains photos paired with terms describing gender. The .xlsx file contains 4 terms (in Polish) for each photo. In this file the term that was most frequently chosen by participants during NCET development, the less frequently chosen is marked with red.