ORKBooleanQuestionResult Class Reference
ORKBooleanQuestionResult class represents the answer to a Yes/No question.
A Boolean question result is produced by the task view controller when it presents a question or form
item with a Boolean answer format (that is,
A Boolean question result is typically generated by the framework as the task proceeds. When the task completes, it may be appropriate to serialize it for transmission to a server, or to immediately perform analysis on it.