diff --git a/app/models/application.py b/app/models/application.py
index 072c094..a5e0fb4 100644
--- a/app/models/application.py
+++ b/app/models/application.py
@@ -37,6 +37,6 @@ class ApplicationSchema(ma.Schema):
     developer = fields.String(required=True, validate=validate.Length(1, 100))
     type = fields.Nested(ApplicationTypeSchema, dump_only=True)
     description = fields.String(required=True, validate=validate.Length(1, 250))
-    creation_date = fields.DateTime()
+    creation_date = fields.DateTime(dump_only=True)
     genre = fields.Nested(GenreSchema, dump_only=True)
     public_sharing = fields.Boolean(required=True)
diff --git a/app/models/questionnaire.py b/app/models/questionnaire.py
index 51cf7ae..b9a368d 100644
--- a/app/models/questionnaire.py
+++ b/app/models/questionnaire.py
@@ -23,4 +23,4 @@ class QuestionnaireSchema(ma.Schema):
     id = fields.Integer(dump_only=True)
     pre = fields.Dict(required=True)
     post = fields.Dict(required=False)
-    creation_date = fields.DateTime()
+    creation_date = fields.DateTime(dump_only=True)
diff --git a/app/models/session.py b/app/models/session.py
index 26bebed..810f670 100644
--- a/app/models/session.py
+++ b/app/models/session.py
@@ -10,7 +10,7 @@ class Session(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     app_id = db.Column(db.Integer, db.ForeignKey('application.id', use_alter=True, name='fk_app_id'), nullable=False)
     creation_date = db.Column(db.TIMESTAMP, server_default=db.func.current_timestamp(), nullable=False)
-    expected_emotions = db.Column(db.PickleType, nullable=False)
+    expected_emotions = db.Column(db.JSON, nullable=False)
     questionnaire_id = db.Column(db.Integer, db.ForeignKey('questionnaire.id', use_alter=True, name='fk_questionnaire_id'), nullable=False)
     cssi_score = db.Column(db.Float, nullable=False, default=0)
     latency_scores = db.Column(db.JSON, nullable=False, default={})
@@ -31,7 +31,15 @@ def __repr__(self):
 
 class SessionSchema(ma.Schema):
     id = fields.Integer(dump_only=True)
-    creation_date = fields.DateTime()
-    expected_emotions = fields.List(fields.String(), dump_only=True)
+    creation_date = fields.DateTime(dump_only=True)
+    expected_emotions = fields.List(fields.String(), required=True)
     app = fields.Nested(ApplicationSchema, dump_only=True)
     questionnaire = fields.Nested(QuestionnaireSchema, dump_only=True)
+    cssi_score = fields.Float()
+    latency_scores = fields.Dict()
+    total_latency_score = fields.Float()
+    sentiment_scores = fields.Dict()
+    total_sentiment_score = fields.Float()
+    questionnaire_scores = fields.Dict()
+    total_questionnaire_score = fields.Float()
+
diff --git a/app/routes/v1/application.py b/app/routes/v1/application.py
index 32a82fb..7e7d0ed 100644
--- a/app/routes/v1/application.py
+++ b/app/routes/v1/application.py
@@ -73,17 +73,6 @@ def get_application_genres():
 @cross_origin(supports_credentials=True)
 def create_application():
     """Create a new Application"""
-
-    json_data = request.get_json(force=True)
-
-    if not json_data:
-        return jsonify({'status': 'error', 'message': 'No input was provided.'}), 400
-
-    # Validate and deserialize input
-    data, errors = application_schema.load(json_data)
-    if errors:
-        return jsonify({'status': 'error', 'message': 'Incorrect format of data provided.', 'data': errors}), 422
-
     name = request.json['name']
     identifier = str(uuid.uuid4().hex)
     developer = request.json['developer']
diff --git a/app/routes/v1/session.py b/app/routes/v1/session.py
index e116a12..00fca15 100644
--- a/app/routes/v1/session.py
+++ b/app/routes/v1/session.py
@@ -48,9 +48,8 @@ def get_session(id):
 @cross_origin(supports_credentials=True)
 def create_session():
     """Create a new Session"""
-
     app = Application.query.filter_by(id=request.json['app']).first()
-    questionnaire = Questionnaire.query.filter_by(id=request.json['questionnaire_id']).first()
+    questionnaire = Questionnaire.query.filter_by(id=request.json['questionnaire']).first()
     expected_emotions = request.json['expected_emotions']
 
     print(questionnaire)
diff --git a/migrations/versions/d874df9a1f85_.py b/migrations/versions/06614ec763fe_.py
similarity index 95%
rename from migrations/versions/d874df9a1f85_.py
rename to migrations/versions/06614ec763fe_.py
index 87af537..7935d66 100644
--- a/migrations/versions/d874df9a1f85_.py
+++ b/migrations/versions/06614ec763fe_.py
@@ -1,8 +1,8 @@
 """empty message
 
-Revision ID: d874df9a1f85
+Revision ID: 06614ec763fe
 Revises: 
-Create Date: 2019-04-19 01:39:08.576426
+Create Date: 2019-04-19 02:19:26.253782
 
 """
 from alembic import op
@@ -10,7 +10,7 @@
 
 
 # revision identifiers, used by Alembic.
-revision = 'd874df9a1f85'
+revision = '06614ec763fe'
 down_revision = None
 branch_labels = None
 depends_on = None
@@ -56,7 +56,7 @@ def upgrade():
     sa.Column('id', sa.Integer(), nullable=False),
     sa.Column('app_id', sa.Integer(), nullable=False),
     sa.Column('creation_date', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
-    sa.Column('expected_emotions', sa.PickleType(), nullable=False),
+    sa.Column('expected_emotions', sa.JSON(), nullable=False),
     sa.Column('questionnaire_id', sa.Integer(), nullable=False),
     sa.Column('cssi_score', sa.Float(), nullable=False),
     sa.Column('latency_scores', sa.JSON(), nullable=False),