Quality of life measurement in cholangiocarcinoma and gallbladder cancer involves the assessment of patient-reported issues related to the symptoms, disease and treatment of these tumours. This study ...

Though focus groups are widely used for development of interventions, little is known about their utility in questionnaire construction, particularly for health surveys in a southeastern ...

Development of an EORTC questionnaire measuring instrumental activities of daily living (IADL) in patients with brain tumours: phase I–III ...

A 39-item questionnaire can diagnose autism with up to 95% accuracy, scientists have claimed. The Autism Symptom Dimensions Questionnaire (ASDQ) was published in the Developmental Medicine and Child ...

A screenshot from the Ages & Stages Questionnaire website. When it comes to finding and helping children who may have developmental delays or disabilities, Oregon favors an "umbrella" approach known ...

Perhaps the most important part of the survey process is the creation of questions that accurately measure the opinions, experiences and behaviors of the public. Accurate random sampling will be ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center often conducts surveys around the globe on sensitive topics, ...