There isn't a standard form that I am aware of in existence anywhere.
I use one I have designed myself that follows the Every Child Matters agenda.
I ask the question and give parents some ideas of the things they should be thinking about when they answer.
I sent them to 7 parents (I am a childminder) at Christmas with children's home made cards, little presents made and wrapped by the children, bills and newsletters.
Despite gentle prodding, I have only received one back so far. Anyhow she's happy so I should be grateful. She wrote 'ok' in each of my boxes!
I am thinking about following a new career as a forger