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100 _a20210326a2019 k y0engy50 ba
101 0 _aeng
102 _aGB
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aReliability of crowdsourcing as a method for collecting emotions labels on pictures
_fO. E. Korovina, G. M. A. Baez, F. Casati
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 15 tit.]
330 _aObjective In this paper we study if and under what conditions crowdsourcing can be used as a reliable method for collecting high-quality emotion labels on pictures. To this end, we run a set of crowdsourcing experiments on the widely used IAPS dataset, using the Self-Assessment Manikin (SAM) emotion collection instrument, in order to rate pictures on valence, arousal and dominance, and explore the consistency of crowdsourced results across multiple runs (reliability) and the level of agreement with the gold labels (quality). In doing so, we explored the impact of targeting populations of different level of reputation (and cost) and collecting varying numbers of ratings per picture. Results The results tell us that crowdsourcing can be a reliable method, reaching excellent levels of reliability and agreement with only 3 ratings per picture for valence and 8 per arousal, with only marginal difference between target populations. Results for dominance were very poor, echoing previous studies on the data collection instrument used. We also observed that specific types of content generate diverging opinions in participants (leading to higher variability or multimodal distributions), which remain consistent across pictures of the same theme. These can inform the data collection and exploitation of crowdsourced emotion datasets.
461 _tBMC Research Notes
463 _tVol. 12
_v[715, 6 p.]
_d2019
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _acrowdsourcing emotions
610 1 _aempirical study
610 1 _arating behavior
610 1 _areliability
610 1 _aкраудсорсинг
700 1 _aKorovina
_bO. E.
_gOlga Evgenjevna
701 1 _aBaez
_bG. M. A.
_gGonzalez Markos Antonio
701 1 _aCasati
_bF.
_cItalian economist and Professor at the University of Trento (Italy)
_cProfessor of Tomsk Polytechnic University, candidate of technical Sciences
_f1971-
_gFabio
_2stltpush
_3(RuTPU)RU\TPU\pers\39820
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнститут социально-гуманитарных технологий
_bКафедра экономики
_bМеждународная научно-образовательная лаборатория технологий улучшения благополучия пожилых людей
_h7381
_2stltpush
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801 2 _aRU
_b63413507
_c20210326
_gRCR
856 4 _uhttps://doi.org/10.1186/s13104-019-4764-4
942 _cCF