This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The purpose of the research study is to determine the validity and reliability of the Bloating Diagnostic Questionnaire and the Bloating Severity Questionnaire to test their ability to detect different types of bloating, and changes in bloating severity over time and in response to an intervention.
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