Which factor could increase the reliability of a survey?

Prepare for the CITI Research Study Design Test. Utilize flashcards and multiple choice questions, with hints and explanations. Ace your exam!

Incorporating a diverse range of question types can significantly increase the reliability of a survey. This is because using various question formats—such as multiple choice, Likert scales, and open-ended questions—can capture different dimensions of the respondents' experiences and opinions, leading to more comprehensive data. This mix allows for triangulation, where multiple methods provide a more robust and stable insight into the subject matter being researched. Different types of questions can also help mitigate individual biases that might arise from using only one question format, thereby providing a clearer picture of the respondents' true feelings and increasing consistency in responses across different participants.

While some other methods, like limiting the survey duration or focusing solely on open-ended questions, might help with certain aspects of survey design, they typically do not enhance reliability to the same extent as diverse question types. A single method for data collection may lead to bias, and asking only open-ended questions can create variability in responses that complicates analysis and interpretation, potentially reducing reliability.

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