Does the same thing happen if you categorize plants, or rocks, or office furniture? I can’t recall reading about such an experiment
IIRC, there were experiments which showed that native speakers of languages with grammatical genders tend to assign stereotypical-man-like features to objects the noun for which is grammatically masculine and stereotypical-woman-like features to objects the noun for which is grammatically feminine.
IIRC, there were experiments which showed that native speakers of languages with grammatical genders tend to assign stereotypical-man-like features to objects the noun for which is grammatically masculine and stereotypical-woman-like features to objects the noun for which is grammatically feminine.