diff --git a/app/models/candidate.rb b/app/models/candidate.rb
index 7d5b287..af91ff7 100644
--- a/app/models/candidate.rb
+++ b/app/models/candidate.rb
@@ -6,6 +6,7 @@ class Candidate < ApplicationRecord
   belongs_to :recruiter, class_name: "User"
   has_many :votes, class_name: "ReviewerVote"
   has_many :reviewers, through: :quiz
+  has_many :quiz_comments, foreign_key: :test_hash, primary_key: :test_hash
 
   serialize :email, CryptSerializer
 
diff --git a/app/models/quiz_comment.rb b/app/models/quiz_comment.rb
new file mode 100644
index 0000000..8819997
--- /dev/null
+++ b/app/models/quiz_comment.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+class QuizComment < ApplicationRecord
+  belongs_to :user
+  belongs_to :candidate, foreign_key: :test_hash, primary_key: :test_hash
+
+  validates :message, presence: true
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index 773cb1f..6179a94 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -5,6 +5,7 @@ class User < ApplicationRecord
   has_many :reviewer_to_quizzes
   has_many :quizzes, through: :reviewer_to_quizzes
   has_many :votes, class_name: 'ReviewerVote'
+  has_many :quiz_comments
 
   has_many :reviewees, through: :quizzes, source: :candidates
 
diff --git a/db/migrate/20170210165110_create_quiz_comments.rb b/db/migrate/20170210165110_create_quiz_comments.rb
new file mode 100644
index 0000000..caae162
--- /dev/null
+++ b/db/migrate/20170210165110_create_quiz_comments.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+class CreateQuizComments < ActiveRecord::Migration[5.0]
+  def change
+    create_table :quiz_comments do |t|
+      t.integer :user_id
+      t.string :test_hash
+      t.text :message
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 5e5c4cc..ae6704d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170208212526) do
+ActiveRecord::Schema.define(version: 20170210165110) do
 
   create_table "answers", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.integer  "candidate_id"
@@ -60,6 +60,14 @@ ActiveRecord::Schema.define(version: 20170208212526) do
     t.index ["sort"], name: "index_questions_on_sort", using: :btree
   end
 
+  create_table "quiz_comments", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
+    t.integer  "user_id"
+    t.string   "test_hash"
+    t.text     "message",    limit: 65535
+    t.datetime "created_at",               null: false
+    t.datetime "updated_at",               null: false
+  end
+
   create_table "quizzes", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string   "unit"
     t.string   "dept"
diff --git a/test/fixtures/quiz_comments.yml b/test/fixtures/quiz_comments.yml
new file mode 100644
index 0000000..68a7938
--- /dev/null
+++ b/test/fixtures/quiz_comments.yml
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+com1:
+  test_hash: BkSkpapJnkz2N #wade
+  user: reviewer
+  message: Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Etiam porta sem malesuada magna mollis euismod. Aenean lacinia bibendum nulla sed consectetur. Maecenas faucibus mollis interdum.
+
+com2:
+  test_hash: BkSkpapJnkz2N #wade
+  user: reviewer
+  message: Donec sed odio dui. Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Curabitur blandit tempus porttitor. Nullam quis risus eget urna mollis ornare vel eu leo. Nullam id dolor id nibh ultricies vehicula ut id elit. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
+
+com3:
+  test_hash: BkSkpapJnkz2N #wade
+  user: reviewer2
+  message: Cras mattis consectetur purus sit amet fermentum. Donec sed odio dui. Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.
+
+com4:
+  test_hash: iC5FdWJxcyySBmpOpU #jorge
+  user: manager
+  message: Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Sed posuere consectetur est at lobortis.
+
+com5:
+  test_hash: egPomAuVDeCEp #henry
+  user: manager
+  message: no.
+
+com6:
+  test_hash: egPomAuVDeCEp #henry
+  user: reviewer2
+  message: fine.
+
+com7:
+  test_hash: iC5FdWJxcyySBmpOpU #jorge
+  user: reviewer
+  message: Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit.
+
+com8:
+  test_hash: egPomAuVDeCEp #henry
+  user: manager
+  message: no.
+
+com9:
+  test_hash: rLSoizA3ATMNSCx #elsie
+  user: reviewer
+  message: Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Donec ullamcorper nulla non metus auctor fringilla. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Etiam porta sem malesuada magna mollis euismod. Vestibulum id ligula porta felis euismod semper. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Maecenas faucibus mollis interdum.
+
+com10:
+  test_hash: rLSoizA3ATMNSCx #elsie
+  user: reviewer2
+  message: Ornare Tellus Nullam Mattis
+
+com11:
+  test_hash: rLSoizA3ATMNSCx #elsie
+  user: reviewer2
+  message: Nibh Ultricies Purus
+
+com12:
+  test_hash: rLSoizA3ATMNSCx #elsie
+  user: reviewer
+  message: Donec id elit non mi porta gravida at eget metus.
+
+com13:
+  test_hash: rLSoizA3ATMNSCx #elsie
+  user: manager
+  message: Donec id elit non mi porta gravida at eget metus.
+
+com14:
+  test_hash: rLSoizA3ATMNSCx #elsie
+  user: reviewer2
+  message: Ultricies Vulputate Bibendum Parturient
+
diff --git a/test/models/quiz_comment_test.rb b/test/models/quiz_comment_test.rb
new file mode 100644
index 0000000..90e3ec8
--- /dev/null
+++ b/test/models/quiz_comment_test.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+require 'test_helper'
+
+class QuizCommentTest < ActiveSupport::TestCase
+  test "the truth" do
+    assert QuizComment
+  end
+
+  test "user to comments association" do
+    manager = users(:manager)
+
+    assert_equal 4, manager.quiz_comments.size
+  end
+
+  test "candidate to comments association" do
+    candidate = candidates(:elsie)
+
+    assert_equal 6, candidate.quiz_comments.size
+  end
+
+  test 'comment to user' do
+    comment = quiz_comments(:com1)
+
+    assert_match 'Wade', comment.candidate.name
+    assert_match 'Tina', comment.user.name
+  end
+end
diff --git a/test/models/reviewer_vote_test.rb b/test/models/reviewer_vote_test.rb
index 5f73233..d5a9ef3 100644
--- a/test/models/reviewer_vote_test.rb
+++ b/test/models/reviewer_vote_test.rb
@@ -3,7 +3,7 @@ require 'test_helper'
 
 class ReviewerVoteTest < ActiveSupport::TestCase
   test "the truth" do
-    assert ReviewerVoteTest
+    assert ReviewerVote
   end
 
   test "richard has 3 votes" do