def is_correctness_available(self, question_id):
response = self.get_response(question_id)<EOL>if response.is_answered():<EOL><INDENT>item = self._get_item(response.get_item_id())<EOL>return item.is_correctness_available_for_response(response)<EOL><DEDENT>return False<EOL>
is a measure of correctness available for the question