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  • Reducing Sketch Inhibition During Concept Generation: Psychophysiological Evidence of the Effect of Interventions

    Gated

    Abstract: This research investigated the effect of warm-up activities on cognitive states during concept generation. Psychophysiological tools including electroencephalography (EEG) and galvanic skin response (GSR) were used along with self-report measures (NASA TLX). Participants were divided into 3 test conditions: 1) no warm-up activity; 2) simple warm-up activities; 3) sketch-inhibition reducing activities. All participants did […]

  • Dynamic Data Driven Approach for Modeling Human Error

    Gated

    Abstract: Mitigating human errors is a priority in the design of complex systems, especially through the use of body area networks. This paper describes early developments of a dynamic data driven platform to predict operator error and trigger appropriate intervention before the error happens. Using a two-stage process, data was collected using several sensors (e.g., […]

  • Understanding The Utilization Of Information Stimuli in Design Decision Making Using Eye Gaze Data

    Gated

    Abstract: Research on decision making in engineering design has focused primarily on how to make decisions using normative models given certain information. However, there exists a research gap on how diverse information stimuli are combined by designers in decision making. In this paper, we address the following question: how do designers weigh different information stimuli to […]

  • Towards Inferring Web Page Relevance – An Eye-Tracking Study

    Gated

    Abstract: We present initial results from a project, in which we examined feasibility of inferring web page relevance from eye-tracking data. We conduced a controlled, lab-based Web search experiment, in which participants conducted assigned information search tasks on Wikipedia. We performed analyses of variance as well as employed classification algorithms in order to predict user […]

  • Automatic Detection of Learning-Centered Affective States in the Wild

    Gated

    Abstract: Affect detection is a key component in developing intelligent educational interfaces that are capable of responding to the affective needs of students. In this paper, computer vision and machine learning techniques were used to detect students’ affect as they used an educational game designed to teach fundamental principles of Newtonian physics. Data were collected […]

  • Suppression of human psychophysiological and biochemical stress responses using high-frequency pulse-modulated transdermal electrical neurosignaling

    Gated

    Abstract: We have developed a neuromodulation approach that targets peripheral nerves and utilizes their afferents as signaling conduits to influence brain function. We investigated the effects of this transdermal electrical neurosignaling (TEN) approach on physiological responses to acute stress induction. TEN was targeted to the ophthalmic and maxillary divisions of the right trigeminal nerve and […]

  • Products Shared Visual Features Do Not Cancel in Consumer Decisions

    Gated

    Abstract: Consumers’ product purchase decisions typically involve comparing competing products’ visual features and functional attributes. Companies strive for “product differentiation” [1-5], which makes consumers’ product comparisons fruitful but also sometimes challenging. Psychologists that study decision-making have created models of choice such as the cancellation-and-focus (C&F) model. C & Fexplains and predicts how people decide between choice […]

  • Effects of perceptual uncertainty on arousal and preference across different visual domains

    Gated

    Abstract: To what extent can simple contextual events affect preference? In this study, three tests were applied to assert whether contextual unpredictability has a negative effect on preference for novel visual items. By asking subjects to rate their first impressions of novel brand logos while playing simple sounds, study 1 shows that brand logos coupled […]

  • The Relationship Between Visual and Olfactory Stimuli In A Retail Environment

    Gated

    Abstract: This study investigates consumers’ behavioral response to ambient scent in a retail setting. An eye-tracking analysis was performed to observe the visual attention of 135 participants at Pack Expo International 2012, an international packaging trade show in Chicago, Illinois. A mock office supply store was erected and an essential oil nebulizer was used to […]

  • Understanding Students Process for Solving Engineering Problems Using Eye Gaze Data

    Gated

    Abstract: It is well known that engineering is considered one of the more demanding fields of study to embark on. In mechanical engineering, courses such as thermodynamics, statics, mechanics of materials and others are perceived as challenging by students. Several factors impact students’ ability to solve problems presented in these courses, including the ability to […]

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