skill-assessment-app/app/views/admin/candidate/_form.html.erb

<%= render partial: 'shared/form_model_errors', locals: { obj: candidate } %>

<%= form_for candidate, url: action, method: :post do |form| %>
  <div class="form-group">
    <%= form.label :name, "Candidate name" %>
    <%= form.text_field :name %>
  </div>

  <div class="form-group">
    <%= form.label :email, "Candidate email" %>
    <%= form.email_field :email %>
  </div>

  <div class="form-group">
    <%= form.label :experience, "Years of experience" %>
    <%= form.select :experience, experience_options(candidate.experience), include_blank: false %>
  </div>

  <div class="form-group">
    <%= form.label :quiz_id, "Quiz" %>
    <%= form.select :quiz_id, quiz_options(quizzes, candidate.quiz_id), include_blank: (quizzes.size > 1) %>
  </div>

  <%= submit_tag %>
<% end %>