The sign-up and account creation process requires several fields and steps which a child may struggle to complete independently, as account creation is typically handled by parents or guardians.
“My mum usually does the passwords”
Certain labels and instructions may use terminology that is more suitable for adults than children such as appointment type and preferences.
Some informational screens rely on written explanations. Children may disengage from long blocks of text.
“That’s a lot of words”