from otree.api import *
from django.utils.safestring import mark_safe
doc = """
quiz
"""
class C(BaseConstants):
NAME_IN_URL = 'quiz'
PLAYERS_PER_GROUP = None
NUM_ROUNDS = 12
FORM_TEMPLATE = __name__ + '/form.html'
def make_boo_field(label):
return models.BooleanField(
choices=[[True, "a. True"], [False, "b. False"]],
label=label,
)
def make_currency_field(label):
return models.FloatField(
label=label,
)#currency field does not work for some reason
class Subsession(BaseSubsession):
pass
class Group(BaseGroup):
pass
class Player(BasePlayer):
quiz1 = make_boo_field("1. You are in a group with 11 other players.")
quiz2 = make_boo_field(mark_safe("2. Your role (Seller or Buyer) will remain the same throughout the experiment."))
quiz3 = make_boo_field(mark_safe("3. A buyer is informed whether he/she has a major or minor problem "
"before making any decisions."))
quiz4 = models.IntegerField(
choices=[[0, mark_safe("a. A major treatment can solve either a major or minor problem. "
"A minor treatment can solve only a minor problem.")],
[1, mark_safe("b. A minor treatment can solve either a major or minor problem. "
"A major treatment can solve only a minor problem.")],
[2, mark_safe("c. A major treatment can solve only a major problem. "
"A minor treatment can solve only a minor problem.")],
[3, mark_safe("d. A minor treatment can solve only a major problem. "
"A major treatment can solve only a minor problem.")]],
widget=widgets.RadioSelect,
label=mark_safe("4. A buyer may solve the problem by purchasing a treatment offered by a seller. "
"Which of the following is correct?"))
quiz5 = make_boo_field(mark_safe("5. A seller knows that he/she is the buyer’s first or second visit (seller 1 or seller 2)"))
quiz6 = models.BooleanField(choices=[[True, "a. True"], [False, "b. False"]])
quiz7 = make_boo_field(mark_safe("7. Suppose the report indicates that the buyer has a major problem, a major treatment will be "
"offered to the buyer regardless of the seller’s decision."))
quiz8 = make_boo_field(mark_safe("8. A buyer is paired with a seller in a different group."))
quiz9 = models.IntegerField(
choices=[[0, mark_safe("a. Seller 1 sells a minor treatment to the buyer. ")],
[1, mark_safe("b. Seller 1 sells a major treatment to the buyer. ")],
[2, mark_safe("c. The buyer rejects a minor treatment from Seller 1, pays a search cost, and another seller "
"(seller 2) is randomly drawn. Seller 2’s treatment is sold to the buyer. ")],
[3, mark_safe("d. The buyer rejects a minor treatment from Seller 1, pays a search cost, "
"and Seller 1 sells a major treatment to the buyer.")]],
widget=widgets.RadioSelect,
label=mark_safe("9. Suppose Seller 1 offers a minor treatment. A buyer accepts a major treatment but rejects "
"a minor treatment. Which of the following is correct?")
)
quiz10 = make_currency_field(mark_safe("10. Suppose a seller sells a major treatment to a buyer. How much does the seller earn?"))
quiz11 = make_currency_field(mark_safe("11. Suppose a Buyer has a major problem, but he/she purchased a minor treatment "
"from Seller 1. How much does the Buyer earn?"))
quiz121 = make_currency_field(mark_safe("Seller 1 earns"))
quiz122 = make_currency_field(mark_safe("Seller 2 earns"))
quiz123 = make_currency_field(mark_safe("The Buyer earns"))
incorrect_attempt = models.IntegerField(initial=0)
def get_form_fields(player: Player):
if player.round_number == 1:
print('t')
form_fields = ['quiz1']
elif player.round_number == 2:
form_fields = ['quiz2']
else:
form_fields = ['quiz3']
return form_fields
def get_solutions(player: Player):
if player.session.config['within'] == 1:
return [dict(quiz1=True),
dict(quiz2=True),
dict(quiz3=False),
dict(quiz4=0),
dict(quiz5=False),
dict(quiz6=True),
dict(quiz7=True),
dict(quiz8=False),
dict(quiz9=2),
dict(quiz10=2.5),
dict(quiz11=-2),
dict(quiz121=0),
dict(quiz122=2.5),
dict(quiz123=-0.10)
]
elif player.session.config['within'] == 2:
return [dict(quiz1=True),
dict(quiz2=True),
dict(quiz3=False),
dict(quiz4=0),
dict(quiz5=False),
dict(quiz6=True),
dict(quiz7=True),
dict(quiz8=False),
dict(quiz9=2),
dict(quiz10=2.5),
dict(quiz11=-2),
dict(quiz121=0),
dict(quiz122=2.5),
dict(quiz123=5.90)
]
elif player.session.config['within'] == 3:
return [dict(quiz1=True),
dict(quiz2=True),
dict(quiz3=False),
dict(quiz4=0),
dict(quiz5=False),
dict(quiz6=True),
dict(quiz7=True),
dict(quiz8=False),
dict(quiz9=2),
dict(quiz10=2.5),
dict(quiz11=-2),
dict(quiz121=0),
dict(quiz122=2.5),
dict(quiz123=-1.10)
]
else:
return [dict(quiz1=True),
dict(quiz2=True),
dict(quiz3=False),
dict(quiz4=0),
dict(quiz5=False),
dict(quiz6=True),
dict(quiz7=True),
dict(quiz8=False),
dict(quiz9=2),
dict(quiz10=2.5),
dict(quiz11=-2),
dict(quiz121=0),
dict(quiz122=2.5),
dict(quiz123=4.90)
]
def get_explanations(player:Player):
if player.session.config['within'] == 1 or player.session.config['within'] == 3:
#print('ha')
return {1: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: "At the beginning of the experiment, '
'you will be randomly placed into a group of 12 participants, you and 11 others'
' in the lab with you today."
'),
2: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: "Your role '
'and the members of your group will remain the same throughout the experiment.”
'),
3: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: “However, the '
'buyer does not know whether he/she has a major or minor problem before making any decisions.”
'),
4: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: A major '
'treatment can solve either a major or minor problem. A minor treatment can solve only a minor problem.”
'),
5: mark_safe('Your answer is incorrect. Please try again.
Hint: the instructions mention: “The seller does not know '
'if he/she is the buyer’s first or second visit (Seller 1 or Seller 2, respectively) '
'and does not know the identity of any buyers.”
'),
6: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: “However, the '
'report is only correct {} of the time. This means, out of every 100 reports received, '.format(player.session.config['beta']))+
mark_safe('on average, there are {} reports that show the buyer’s true problem '.format(player.session.config['beta']))+
mark_safe('and {} reports that is incorrect.”
'.format(100-player.session.config['beta'])),
7: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions:'
'“If the report shows that the buyer has a major problem, a major treatment will be offered to the '
'buyer regardless of the seller’s decision.”
'),
8: mark_safe('Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: “Each buyer is'
' randomly paired with a seller in their group without knowing the seller’s identity.”
'),
9: mark_safe('Your answer is incorrect. Please try again.
Hint: A buyer rejects a minor treatment which is offered '
'by Seller 1. The instructions mention: “Then he/she decides whether to accept the treatment '
'offered to them by that seller (Seller 1).
'
' - If the buyer accepts, Seller 1 sells his/her treatment '
'to the buyer.
'
'- If the buyer rejects, the buyer pays a search cost, and another seller is '
'randomly drawn (Seller 2). Seller 2 sells his/her treatment to the buyer.”
'
'
'),
10: mark_safe('Your answer is incorrect. Please try again.
Hint: The instructions mention: “For each treatment'
' he/she offers, '
'
- Seller earns $2.5 if he/she sold a major treatment,
'
'- Seller earns $2 if he/she sold a minor treatment,
'
'- Seller earns $0 if he/she did not sell a treatment.”
'
'
'),
11: mark_safe('Your answer is incorrect. Please try again.
Hint: the instructions mention: “The buyer may earn the '
'following earnings:
'
' - E1: Buyer accepted a major treatment from Seller 1, the buyer earns $0.
'
'- E2: Buyer accepted a minor treatment from Seller 1,
'
' - Buyer earns -$2 if his/her problem is major,
'
'- Buyer earns $4 if his/her problem is minor.
”'),
12: mark_safe('Your answer here is incorrect. Please try again.
')
}
else:
#print('hehe')
return {1: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: "At the beginning of the experiment, '
'you will be randomly placed into a group of 12 participants, you and 11 others'
' in the lab with you today."
'),
2: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: "Your role '
'and the members of your group will remain the same throughout the experiment.”
'),
3: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: “However, the '
'buyer does not know whether he/she has a major or minor problem before making any decisions.”
'),
4: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: A major '
'treatment can solve either a major or minor problem. A minor treatment can solve only a minor problem.”
'),
5: mark_safe(
'Your answer is incorrect. Please try again.
Hint: the instructions mention: “The seller does not know '
'if he/she is the buyer’s first or second visit (Seller 1 or Seller 2, respectively) '
'and does not know the identity of any buyers.”
'),
6: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: “However, the '
'report is only correct {} of the time. This means, out of every 100 reports received, '.format(
player.session.config['beta'])) +
mark_safe('on average, there are {} reports that show the buyer’s true problem '.format(
player.session.config['beta'])) +
mark_safe('and {} reports that is incorrect.”
'.format(100 - player.session.config['beta'])),
7: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions:'
'“If the report shows that the buyer has a major problem, a major treatment will be offered to the '
'buyer regardless of the seller’s decision.”
'),
8: mark_safe(
'Your answer is incorrect. Please try again.
Hint: as mentioned in the instructions: “Each buyer is'
' randomly paired with a seller in their group without knowing the seller’s identity.”
'),
9: mark_safe(
'Your answer is incorrect. Please try again.
Hint: A buyer rejects a minor treatment which is offered '
'by Seller 1. The instructions mention: “Then he/she decides whether to accept the treatment '
'offered to them by that seller (Seller 1).
'
' - If the buyer accepts, Seller 1 sells his/her treatment '
'to the buyer.
'
'- If the buyer rejects, the buyer pays a search cost, and another seller is '
'randomly drawn (Seller 2). Seller 2 sells his/her treatment to the buyer.”
'
'
'),
10: mark_safe(
'Your answer is incorrect. Please try again.
Hint: The instructions mention: “For each treatment'
' he/she offers, '
'
- Seller earns $2.5 if he/she sold a major treatment,
'
'- Seller earns $2 if he/she sold a minor treatment,
'
'- Seller earns $0 if he/she did not sell a treatment.”
'
'
'),
11: mark_safe(
'Your answer is incorrect. Please try again.
Hint: the instructions mention: “The buyer may earn the '
'following earnings:
'
' - E1: Buyer accepted a major treatment from Seller 1, the buyer earns $6.
'
'- E2: Buyer accepted a minor treatment from Seller 1,
'
' - Buyer earns -$2 if his/her problem is major,
'
'- Buyer earns $10 if his/her problem is minor.
”'),
12: mark_safe('Your answer here is incorrect. Please try again.
')
}
# PAGES
class IntroQ(Page):
@staticmethod
def is_displayed(player: Player):
return player.round_number == 1
class Q1(Page):
form_model = 'player'
@staticmethod
def get_form_fields(player: Player):
all_fields = ['quiz1', 'quiz2', 'quiz3',
'quiz4', 'quiz5', 'quiz6',
'quiz7', 'quiz8', 'quiz9',
'quiz10', 'quiz11', 'quiz121',
'quiz122', 'quiz123'
]
if player.round_number == 12:
form_fields = ['quiz121', 'quiz122', 'quiz123']
else:
form_fields = [all_fields[player.round_number - 1]]
return form_fields
@staticmethod
def error_message(player: Player, values):
all_solutions = get_solutions(player)
all_explanations = get_explanations(player)
explanation = all_explanations[player.round_number]
if player.round_number == 12:
if player.session.config['within'] == 1:
solution = dict(quiz121=0, quiz122=2.5, quiz123=-0.1)
con_earnings = -0.1
elif player.session.config['within'] == 2:
solution = dict(quiz121=0, quiz122=2.5, quiz123=5.9)
con_earnings = 5.9
elif player.session.config['within'] == 3:
solution = dict(quiz121=0, quiz122=2.5, quiz123=-1.1)
con_earnings = -1.1
else:
solution = dict(quiz121=0, quiz122=2.5, quiz123=4.9)
con_earnings = 4.9
#print(values,solution)
errors = {f: explanation for f in solution if values[f] != solution[f]}
a = mark_safe(' Hint: For the seller, The instructions mention: “For each treatment'
' he/she offers,
'
' - Seller earns $2.5 if he/she sold a major treatment,
'
'- Seller earns $2 if he/she sold a minor treatment,
'
'- Seller earns $0 if he/she did not sell a treatment.”
'
'
'
'At the same time, the instructions mention: '
' - “E3: Buyer rejected Seller 1 and Seller 2'
' sold a major treatment, the buyer earns {} .”'.format(con_earnings))
if values != solution:
player.incorrect_attempt += 1
if values['quiz123'] != solution['quiz123']:
errors['quiz123'] = errors['quiz123'] + a
else:
errors['quiz123'] = a
#print(errors)
else:
solution = all_solutions[player.round_number-1]
errors = {f: explanation for f in solution if values[f] != solution[f]}
if values != solution:
player.incorrect_attempt += 1
return errors
@staticmethod
def vars_for_template(player):
a = mark_safe('6. Suppose the buyer’s problem is minor. ' \
'Out of every 100 reports received, on average, ' \
'there are {} reports that indicates a minor problem '.format(player.session.config['beta']))
b = mark_safe('and {} reports that indicates a major problem.'.format(100 - player.session.config['beta']))
return dict(
label_q6=a + b,
show_explanation=False
)
class Q1result(Page):
form_model = 'player'
@staticmethod
def get_form_fields(player: Player):
all_fields = ['quiz1', 'quiz2', 'quiz3',
'quiz4', 'quiz5', 'quiz6',
'quiz7', 'quiz8', 'quiz9',
'quiz10', 'quiz11', 'quiz121',
'quiz122', 'quiz123'
]
if player.round_number == 12:
form_fields = ['quiz121','quiz122', 'quiz123']
else:
form_fields = [all_fields[player.round_number - 1]]
return form_fields
@staticmethod
def vars_for_template(player):
a = player.session.config['beta']
b = 100 - player.session.config['beta']
c = mark_safe('6. Suppose the buyer’s problem is minor. ' \
'Out of every 100 reports received, on average, ' \
'there are {} reports that indicates a minor problem '.format(
player.session.config['beta']))
d = mark_safe('and {} reports that indicates a major problem.'.format(100 - player.session.config['beta']))
if player.session.config['within'] == 1:
e = -0.1
f = 0
g = 4
elif player.session.config['within'] == 2:
e = 5.9
f = 6
g = 10
elif player.session.config['within'] == 3:
e = -1.1
f = 0
g = 4
else:
e = 4.9
f = 6
g = 10
return dict(
label_q6=c + d,
a=a,
b=b,
e=e,
f=f,
g=g
)
class ResultsWaitPage(WaitPage):
wait_for_all_groups = True
@staticmethod
def is_displayed(player: Player):
return player.round_number == C.NUM_ROUNDS
class Results(Page):
@staticmethod
def is_displayed(player: Player):
return player.round_number == C.NUM_ROUNDS
page_sequence = [IntroQ, Q1,Q1result,Results]