Pain as bad as you can imagine or extremely severe pain? A randomized controlled trial comparing two pain scale anchors.
Amy L TinMia AustriaGabriel OgbennayaSusan ChimonasPaulin AndréllThomas M AtkinsonAndrew J VickersSigrid V CarlssonPublished in: Journal of patient-reported outcomes (2023)
Pain rating scales should utilize the modified anchor text "extremely severe pain" instead of "pain as bad as you can imagine". Further research should explore the effects of anchors for other symptoms.