Assessing female sexual arousal with the labial thermistor: Response specificity and construct validity
The labial thermistor offers several potential psychometric advantages over existing measures of female sexual response; however, the thermistor lacked data to support these presumed advantages, especially with respect to its discriminant validity. In this study, both the labial thermistor was worn...
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Veröffentlicht in: | International journal of psychophysiology 2009-05, Vol.72 (2), p.115-122 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The labial thermistor offers several potential psychometric advantages over existing measures of female sexual response; however, the thermistor lacked data to support these presumed advantages, especially with respect to its discriminant validity. In this study, both the labial thermistor was worn simultaneously with the vaginal photoplethysmograph as women viewed films. They also indicated their level of subjective sexual arousal using a lever. The labial thermistor discriminated sexual from nonsexual arousing stimuli and was sensitive to different levels of sexual arousal. The correspondence of the instrument with subjective sexual arousal, measured using a continuous lever, was lower during the mildly arousing sexual film and higher during the maximally sexual arousing film. One woman reported that the labial thermistor was very uncomfortable, while others indicated no or mild discomfort from each instrument. The vaginal photoplethysmograph largely replicated the effects documented by the labial thermistor, although it did not discriminate sexual stimuli of different intensity nor correspond with women's continuous lever responses as closely during the more arousing stimulus. Difficulties recording simultaneously with these instruments are noted. The labial thermistor adequately discriminates between generally arousing and sexually arousing stimuli, increasing its utility as a measure for between-subject study designs. |
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ISSN: | 0167-8760 1872-7697 |
DOI: | 10.1016/j.ijpsycho.2008.11.002 |