Name a methodology used by LifeX to ensure quality questions.

The peer-reviewed question banking process is an essential methodology used by LifeX to ensure that the questions included in their assessments are of high quality and relevance. This process involves multiple experts reviewing each question for accuracy, clarity, and alignment with the learning objectives.

By utilizing peer review, LifeX can maintain a rigorous standard for the questions, reducing the likelihood of inaccuracies or ambiguities that could confuse test takers. This collaborative approach not only ensures that the content is valid and reliable but also allows for a diversity of perspectives, enhancing the overall quality of the question bank. The result is a set of assessments that can effectively measure a learner's understanding and skills in the relevant subject matter.

Other methodologies like surveys from past users or feedback through social media can provide insights but do not have the same level of rigor or systematic approach as peer review. Random question generation lacks the thorough vetting process necessary for consistency and quality, while surveys might reflect subjective opinions rather than ensuring the academic integrity of the questions themselves.