Which of the following is true regarding the use of special characters in Embedded Data fields?

Using special characters in Embedded Data fields is not recommended due to potential compatibility issues that can arise when exporting or processing data across different systems and applications. Special characters can interfere with data parsing and may lead to errors or misinterpretations of the data, especially when the data is transferred or analyzed outside of Qualtrics.

Data integrity and ease of analysis are critical in survey research and data handling; therefore, it is advisable to avoid special characters to ensure the data remains clean and reliable. The other options do not align with best practices in data management within Qualtrics. For instance, while some might think special characters are beneficial for distinguishing data points or necessary for indicating data types, they often complicate data processing instead. Hence, ensuring that Embedded Data fields maintain a standard format without special characters is a more reliable approach.