I have successfully replicated this study at home, and can attest to its reliability and validity.
An ethnographic study in Madrid charted the gradual “take over” by the child (accoutrements like toys, furniture, and special foods, and the removal of “dangerous” or breakable items) of the domicile, leaving less and less “adult” territory (Poveda et al. 2012).'
The Anthropology of Childhood: Cherubs, Chattel, Changelings by David F. Lancy ?