Questions that allow only a yes or no (true or false) response are known as boolean questions.

In this example, we will write a boolean question that looks like this when asked:

Enter the question name, question text, and the boolean keyword followed by a semicolon.

Because the question does not have a yes/no response list, only one check box is displayed. This corresponds to a Yes (or true) answer. Anyone who does not click the box is assumed to have given a No (false) answer.

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