NDLI: The recognition of acted interpersonal stance in police interrogations and the influence of actor proficiency

Content Provider	Springer Nature Link
Author	Bruijnes, Merijn Akker, Rieks Spitters, Sophie Sanders, Merijn Fu, Quihua
Copyright Year	2015
Abstract	This paper reports on judgement studies regarding the perception of interpersonal stances taken by humans playing the role of a suspect in a police interrogation setting. Our project aims at building believable embodied conversational characters to play the role of suspects in a serious game for learning interrogation strategies. The main question we ask is: do human judges agree on the way they perceive the various aspects of stance taking, such as friendliness and dominance? Four types of stances were acted by eight amateur actors. Short recordings were shown in an online survey to subjects who were asked to describe them using a selection of a number of adjectives. Results of this annotation task are reported in this paper. We explain how we computed the inter-rater agreement with Krippendorff’s alpha statistics using a set theoretical distance metric. Results show that for some of the stance types observers agreed more than for others. Some actors are better than others, but validity (recognizing the intended stance) and inter-rater agreement do not always go hand in hand. We further investigate the effect the expertise of actors has on the perception of the stance that is acted. We compare the fragments from amateur actors to fragments from professional actors taken from popular TV-shows.
Starting Page	353
Ending Page	376
Page Count	24
File Format	PDF
ISSN	17837677
Journal	Journal on Multimodal User Interfaces
Volume Number	9
Issue Number	4
e-ISSN	17838738
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-07-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Interpersonal stance Embodied conversational agents Body language Affect expression Data reliability User Interfaces and Human Computer Interaction Signal, Image and Speech Processing Image Processing and Computer Vision
Content Type	Text
Resource Type	Article
Subject	Signal Processing Human-Computer Interaction

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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