<%= (field.required ? content_tag('span', ' *', :class => 'required') : '') %>
<% field.options.split(',').each do |option|
option.strip! %>
<%= f.radio_button field.underscored_name, option, :checked => (option == form_response.send(field.underscored_name)) %>
<%= f.label "#{field.underscored_name}_#{option.parameterize('_')}", option %>
<% end %>