Disclosed is a system, method, and device for detecting non-nutritive suckingevents produced by an infant； patterns comprising such events (i.e., rhythmicsucking patterns, or RSPs)； and relating said events and/or RSPs to performanceof a disposable absorbent article worn by the infant. The frequency and/or amplitudeand/or other characteristics of non-nutritive sucking changes in responseto liquid insults introduced to a disposable absorbent article. Accordingly,changes to RSPs offer detectable and measurable indicia of an infant'sperception of the performance of a disposable absorbent article. Furthermore,such information may be used to support and/or substantiate marketing communicationsto consumers, or to guide selection and/or management of research-and-developmentprograms.
