{
    "source": {
        "author": {
            "name": "Christian Lawson-Perfect"
        }
    },
    "name": "Yes/no",
    "short_name": "yes-no",
    "description": "<p>The student is shown two radio choices: \"Yes\" and \"No\". One of them is correct.</p>",
    "help_url": "",
    "input_widget": "radios",
    "input_options": {
        "correctAnswer": "if(eval(settings[\"correct_answer_expr\"]), 0, 1)",
        "hint": {
            "static": true,
            "value": ""
        },
        "choices": {
            "static": true,
            "value": [
                "Yes",
                "No"
            ]
        }
    },
    "can_be_gap": true,
    "can_be_step": true,
    "marking_script": "mark:\nif(studentanswer=correct_answer,\n  correct(),\n  incorrect()\n)\n\ninterpreted_answer:\nstudentAnswer=0\n\ncorrect_answer:\nif(eval(settings[\"correct_answer_expr\"]),0,1)",
    "marking_notes": [
        {
            "name": "mark",
            "description": "This is the main marking note. It should award credit and provide feedback based on the student's answer.",
            "definition": "if(studentanswer=correct_answer,\n  correct(),\n  incorrect()\n)"
        },
        {
            "name": "interpreted_answer",
            "description": "A value representing the student's answer to this part.",
            "definition": "studentAnswer=0"
        },
        {
            "name": "correct_answer",
            "description": "",
            "definition": "if(eval(settings[\"correct_answer_expr\"]),0,1)"
        }
    ],
    "settings": [
        {
            "name": "correct_answer_expr",
            "label": "Is the answer \"Yes\"?",
            "help_url": "",
            "hint": "An expression which evaluates to <code>true</code> or <code>false</code>.",
            "input_type": "mathematical_expression",
            "default_value": "true",
            "subvars": false
        }
    ],
    "public_availability": "always",
    "published": true,
    "extensions": []
}