from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range, ) class Constants(BaseConstants): name_in_url = 'survey' players_per_group = None num_rounds = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): game_timeout = models.IntegerField(initial=0) class Player(BasePlayer): age = models.IntegerField(label='What is your age?', min=13, max=125) gender = models.StringField( choices=[['Male', 'Male'], ['Female', 'Female']], label='What is your gender?', widget=widgets.RadioSelect, )