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dc.contributor.advisorHojjat Daniali
dc.contributor.authorSlupphaug, Kjell
dc.date.accessioned2022-07-10T17:19:31Z
dc.date.available2022-07-10T17:19:31Z
dc.date.issued2022
dc.identifierno.ntnu:inspera:110854809:47159855
dc.identifier.urihttps://hdl.handle.net/11250/3004466
dc.description.abstract
dc.description.abstractOur study consisted of two “aims”: 1. Coding of NB and 2. Online survey. In our primary aim: 15 students were trained to code non-verbal behaviour (NB), through a scheme measuring general impressions. The students coded a set of videos displaying three different “channels” of positive NB (PFE, PTV and PBM¸in addition to a neutral condition (NE); where all channels of NB were kept as neutral as possible. These videos are intended, to be used in experimental research, on the relationship between NB placebo and pain. The results showed that there was an acceptable level of inter-rater reliability between coders. Some questions were raised regarding the validity of the PFE-videos; indicating that they displayed increased PTV, compared to the neutral videos. There were also some questions raised regarding not controlling for possible negative aspects of isolating channels of NB. Despite this, the results suggest that the videos can be validated; and used in future experimental research. In our secondary aim 80 participants were randomized into four groups, where they were showed one out of four different NBs (PBM, PFE, PTV and NE). Participants rated the mood-states of the actors in the videos using PANAS. Our results showed that all videos were rated as more positive than negative. PFE was rated as more positive compared to NE, and PBM and PFE were rated as less negative. Our results showed that isolated channels of positive NB did not lead to increased negative ratings, and supported the findings from our primary aim.
dc.languageeng
dc.publisherNTNU
dc.titleVALIDATION OF NON-VERBAL BEHAVIOUR IN A SET OF VIDEOS, DESIGNED FOR EXPERIMENTAL RESEARCH ON PLACEBO AND PAIN
dc.typeBachelor thesis


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