Set radio button to no initial value

Add the below code to a custom HTML block, update the name in bold  to the name of the field.

Replace the **** with the word "script"

<**** type="text/javascript">

(document).getElementsByName('FIELDNAME')[0].removeAttribute('checked');

</*****>

Please ensure that you have access to an experienced JavaScript developer.

Marketo Technical Support is not set up to assist with troubleshooting JavaScript.

rtaImage.jpg

Here's a sample page: http://info.dbmayberry.com/noinitialbutonvaluechecked.html