adults more prone to spontaneous false memories than children are. However, children are still more vulnerable to externally induced false memories, like those that stem from leading questions or learning new information after the event.
The National Institute of Child Health and Human Development provides one evidence-based protocol investigators can follow when working with young witnesses.
The author wrote a book about this subject in 2022:
I need to remember these techniques when I will investigate a cookie crime with my little daughter: who was the perpetrator? Who has eaten all of them? Was it a little girl? The best girl in the world maybe? - so I have to stick with the first question only, otherwise she might accuse herself unintentionally