인터랙티브 제품의 평가에서 감각적-상징적 속성의 영향
Effects of Perceived Sensual-Symbolic Qualities on Overall Evaluations of Interactive Products
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본 연구의 목적은 인터랙티브 제품의 비기능적 특성들이 사용자의 전체적인 판단에 얼마나 중요한 영향력을 가지는지 살펴보는 것이다. 이를 위해 제품의 비기능적 특성에 대한 이론적 고찰을 바탕으로 실험을 위해 두 가지 연구질문을 설정하였다. 첫 번째는 “인터랙티브 제품의 사용자 경험에 중요한 역할을 하는 비기능적 특성들은 무엇인가?”이며, 두 번째는 “인터랙티브 제품에 대한 전체적인 판단에 비기능적 특성이 주는 영향은 무엇인가?”이다. 실험은 60명의 실험참가자를 대상으로 각각 네 가지 서로 다른 디지털 음원재생기를 사용해 보도록 한 다음 기능적 특성과 비기능적 특성에 대해 평가하도록 하였다. 실험에서는 비기능적 특성의 네 가지 차원 즉 감각적 특성에 대한 세 가지 차원과 상징적 특성의 한 가지 차원을 실험에 포함하였으며, 유용성과 사용편의성에 대한 기능적 특성도 함께 조사하였다. 실험 결과 제품특성에 대한 인식과 사용자가 내리는 전체적인 판단은 네 가지 음원재생기에 따라 차이가 있었으며, 사용자 판단이 실험에 포함된 모든 제품 특성에 따라 달라진다는 것을 보여주고 있다. 또 비기능적 특성 간의 상관관계에서는 감각적 특성의 세 가지 하위 차원 사이에 의미있는 상관관계가 나타나지 않았으나 상징적 특성은 모든 감각적 평가척도와 의미있는 상관관계를 보여 주었다. 이는 사용자들이 감각적 특성의 세 가지 차원을 독립적으로 인식한다는 의미로 해석할 수 있으며 사용자가 인식하는 감각적 특성과 상징적 특성 사이에 서로 관련성이 있음을 추정할 수 있다.
Abstract
The aim of this study was to investigated the importance of non-instrumental quality for overall judgments in interactive products. Two research questions arose from theoretical discussion on the non-instrumental qualities of interactive products. First question was “Which dimensions of non-instrumental qualities are important for interactive product experience?” and the other was “What is their influence on overall judgments of the user experience?”. We conducted the experiment to validate these research questions. Four MP3 Players were used as stimuli, and sixty participants filled out the questionnaire that assessed their ratings regarding the different quality dimensions and the overall judgment. Four dimensions of non-instrumental quality were incorporated in the experiment: three aspects of aesthetic quality and one dimension to measure symbolic aspects of product quality. We also investigated two instrumental qualities, i.e. usefulness and ease of use. The results of this study showed that quality perceptions and overall judgements differed with respect to the four MP3 players and overall judgement depends on most of the quality dimensions. No significant correlations between the three quality dimensions focusing on aesthetic aspects were found. However, the aesthetic scales were all related to the symbolic quality dimension. Therefore, aesthetic qualities seem to be perceived independently and a relationship between aesthetic and symbolic quality perceptions can be assumed.
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