Sign up to our 2018 Members' Experiments

Please complete and submit the following sign-up form to participate in the 2018 Members' Experiments.

Asterisks indicate compulsory fields. If your address doesn't include a postcode, write n/a in that box.

You may select one or more experiments - it's up to you.

Please ensure you submit this form before 9 February 2018. Once you've signed up, you will receive further information in due course.

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