Cai, Ceci Q; Mueller, Marie AE; Lima, César F; Jin, Gulun; Turek, Arabella; Sivasathiaseelan, Harri; Guldner, Stella; Cai, Ceci Q; Mueller, Marie AE; Lima, César F; Jin, Gulun; Turek, Arabella; Sivasathiaseelan, Harri; Guldner, Stella; Scott, Sophie K; - view fewer (2024) Development of a novel tool to investigate human laughter behaviour and experience. Neuroscience Letters , 825 , Article 137690. 10.1016/j.neulet.2024.137690.

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Abstract

We present a questionnaire exploring everyday laughter experience. We developed a 30-item questionnaire in English and collected data on an English-speaking sample (N = 823). Based on Principal Component Analysis (PCA), we identified four dimensions which accounted for variations in people's experiences of laughter: laughter frequency ('Frequency'), social usage of laughter ('Usage'), understanding of other people's laughter ('Understanding'), and feelings towards laughter ('Liking'). Reliability and validity of the LPPQ were assessed. To explore potential similarities and differences based on culture and language, we collected data with Mandarin Chinese-speaking population (N = 574). A PCA suggested the extraction of the same four dimensions, with some item differences between English and Chinese versions. The Laughter Production and Perception Questionnaire (LPPQ) will advance research into the experience of human laughter, which has a potentially crucial role in everyday life.

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