Answer:
Gender schema theory
Step-by-step explanation:
Gender schema theory explains how individuals become gendered in society and how some characteristics that are linked to a gender are maintained and perpetuated by members of a culture.
This characteristics are transmitted via schemas which refer to patterns of conduct associated to genders.
In this example, Kyle has noticed that his mother and sister take showers whereas his father and he takes baths. Therefore, he has transformed this information into schemas that refer to the behaviors of boys and girls (baths vs. showers). Therefore, this illustrates the theory of gender schema