Answer:
A major limitation is access to children and to their timely response in their environment.
Step-by-step explanation:
Getting access to the children for a response to research questions can be a major limitation to this research. Naturalistic observation can be impeded by human activities of varying concern and can be influenced from place to place. Human activities and mobility of humans may be an limiting factor to a large extent. Observing children in this way may need to get them fixed at a location for a considerable number of time which may be challenging as children are a mobile lot.