qual_key.xml

<?xml version="1.0"?>
<AnswerKey xmlns="http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/AnswerKey.xsd">
  <Question>
    <QuestionIdentifier>Q</QuestionIdentifier>
    <AnswerOption>
      <SelectionIdentifier>Yes</SelectionIdentifier>
      <AnswerScore>1</AnswerScore>
    </AnswerOption>
  </Question>
</AnswerKey>

qual_qform.xml

<?xml version="1.0"?>
<QuestionForm xmlns="http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionForm.xsd">
  <Overview>
    <Text>You are invited to take part in a research survey about surface properties. Your participation will require approximately 30 minutes and is completed online at your computer. There are no known risks or discomforts associated with this survey. Taking part in this study is completely voluntary. If you choose to be in the study you can withdraw at any time without any negative consequences. Your responses will be kept strictly confidential, and digital data will be stored in secure computer files. Any report of this research that is made available to the public will not include your name or any other individual information by which you could be identified. If you have questions, concerns, or complaints regarding your participation in this research study, or if you have any questions about your rights as a research participant, you may contact the Office of Regulatory Affairs at the University of Pennsylvania by calling (215) 898-­2614.

Selecting Yes below and continuing with our HITs indicates that you are 18 years of age or older, a US citizen and fluent in English, and indicates your consent to participate in this survey.</Text>
  </Overview>
  <Question>
    <QuestionIdentifier>Q</QuestionIdentifier>
    <IsRequired>true</IsRequired>
    <QuestionContent>
      <Text>Do you consent to participate in this study?</Text>
    </QuestionContent>
    <AnswerSpecification>
      <SelectionAnswer>
        <StyleSuggestion>radiobutton</StyleSuggestion>
        <Selections>
          <Selection>
            <SelectionIdentifier>Yes</SelectionIdentifier>
            <Text>Yes</Text>
          </Selection>
          <Selection>
            <SelectionIdentifier>No</SelectionIdentifier>
            <Text>No</Text>
          </Selection>
        </Selections>
      </SelectionAnswer>
    </AnswerSpecification>
  </Question>
</QuestionForm>