anchor.diff:      </div>
   
       <div class="col-md-6">
  -      <h3>Additional information</h3>
   
         <div class="form-group">
  -        <label for="selectGroup">Please select your Rails Girls Group</label>
  -        <!-- why it works only when there is empty {}? -->
  -        <%= f.collection_select(:group_id, Group.all, :id, :name, {}, {:class => 'form-control'}) %>
  +        <%= label_tag("Are you a coach or a student?") %>
  +        <%= f.select( "type", ["Student", "Coach"], {}, { :class => 'form-control' } )%>
         </div>
   
         <div class="form-group">
  
positive.code:     <%= devise_error_messages! %>
  
      <div class="col-md-6">
        <h3>Enter your personal details</h3>
  
        <div class="form-group">
          <%= label_tag(:first_name, "Your first name *") %>
  
negative.code:       </div>
  
        <div class="form-group">
          <%= label_tag(:password, "Enter your password *")%>
          <%= f.password_field :password, :placeholder => 'Password',:class => 'form-control' %>
        </div>
  