如何在 oTree 中创建多项选择题?

How to create a multiple choice question in oTree?

我想知道在otree中是否可以做选择题。有点像单选按钮,但它可以让你选择不止一件事。 我在想的是这样的:

问题:下面的陈述列表包含三个正确的陈述和三个错误的陈述。请select三个正确的说法:

您可以使用 otree_models.models.MultipleChoiceFormField 来达到这个目的,如下所示:

models.py中:

from otree.api import BasePlayer
from otree_tools.models import fields as tool_models

class Player(BasePlayer):

    correct_statements = tool_models.MultipleChoiceModelField(label="Please select the three correct statements",
                                                              min_choices=3, max_choices=3)

pages.py中:

from ._bultin import Page

class ExamplePage(Page):

    form_model = "player"
    form_fields = ["correct_statements"]

    def correct_statements_choices(self):
         """Return the list of statements to choose from."""
         return ["Statement 1", "Statement 2", "Statement 3",
                 "Statement 4", "Statement 5", "Statement 6"]

ExamplePage.html 中,只需包含表单字段:

{% extends "global/Page.html" %}
{% load otree %}

{% block content %}
The following list of statements contains three correct statements and three false statements. 

{% formfield player.correct_statements %}

{% next_button %}

{% endblock %}