from otree.api import * c = cu doc = 'A pure coordination game.\n' class Constants(BaseConstants): name_in_url = 'Pure_Coordination_8_One_low' players_per_group = 2 num_rounds = 1 match_high_payoff = 10 match_low_payoff = 5 no_match_payoff = 0 instructions_template = 'Pure_Coordination_8_One_low/instructions.html' def creating_session(subsession): session = subsession.session subsession.group_randomly() class Subsession(BaseSubsession): pass def set_payoffs(group): for p in group.get_players(): set_payoff(p) class Group(BaseGroup): pass def other_player(player): group = player.group return player.get_others_in_group()[0] def set_payoff(player): if player.decision == other_player(player).decision: if player.decision == "D": player.payoff = Constants.match_low_payoff else: player.payoff = Constants.match_high_payoff else: player.payoff = Constants.no_match_payoff class Player(BasePlayer): decision = models.StringField(choices=[['A', 'A'], ['B', 'B'], ['C', 'C'], ['D', 'D'], ['E', 'E'], ['F', 'F'], ['G', 'G'], ['H', 'H']], doc='This player s decision', widget=widgets.RadioSelect) class Introduction(Page): form_model = 'player' timeout_seconds = 100 class Decision(Page): form_model = 'player' form_fields = ['decision'] class ResultsWaitPage(WaitPage): after_all_players_arrive = set_payoffs class Results(Page): form_model = 'player' @staticmethod def vars_for_template(player): me = player opponent = other_player(me) return dict( my_decision=me.decision, opponent_decision=opponent.decision, same_choice=me.decision == opponent.decision, ) page_sequence = [Introduction, Decision, ResultsWaitPage, Results]