How can I contact NatCen about the Age 56 survey?

If you have any questions about the Age 56 Survey, including  the problem-solving tasks, please contact the NatCen research team by email at bcs70@natcen.ac.uk or 0800 526 397 between 9am to 7pm on Monday to Thursday, 9am to 5pm on Friday, 10am to 3pm on Saturday (free from UK landlines and mobiles, charges may apply outside the UK).