Hi Pixie,
If you have a look at the forum on this website downloadable documents then the Devon County Council link and scroll through you will find job descriptions and also interview questions with the answers you would expect off your interviewee, I have found these really helpful to look at.
Hope this helps
Bubs
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Suggested interview questions: http://www.silkysteps.com/forum/showthread.php?t=9273
Devon's early years download documents
Understanding children's behaviour - amazon and
child development 0 - 19
For England -
revised EYFS 2012 in pratice on amazon,
observation and assessment and
download the free framework