app/views/studies/asset_groups/new.html.erb
<div class="page-header"><h1>New asset group</h1></div>
<%= form_for @asset_group, url: study_asset_groups_path(@study) do |f| %>
<%= render_error_messages(@asset_group) %>
<p><%= f.label(:name, 'Name') %>: <%= f.text_field :name %></p>
<p><%= f.submit "Create" %></p>
<% end %>
<%= link_to 'Back', study_asset_groups_path(@study) %>