<!-- views/surveys/_form.html.erb -->
<% form_for @survey do |f| %>
  <%= f.error_messages %>
  <p>
    <%= f.label :name %><br />
    <%= f.text_field :name %>
  </p>
  <% f.fields_for :questions do |builder| %>
    <p>
      <%= builder.label :content, "Question" %><br />
      <%= builder.text_area :content, :rows => 3 %><br />
    </p>
  <% end %>
  <p><%= f.submit "Submit" %></p>
<% end %>