A Comparison of Two Presence Measures Based on Experimental Results

This paper describes a study performed to evaluate two commonly used measures of presence. The study involved 24 participants using a VR-based procedural training application with different technology types. A variety of performance measures and background information were collected during the study. These variables were factors that are assumed to be related with sense of presence. The presence questionnaires of Witmer & Singer and Slater, Usoh & Steed were used to assess sense of presence in the virtual environment. Half of the subjects received the W&S questionnaire and half received the SUS questionnaire. Following the data collection, a variety of correlations were calculated and evaluated to provide insights into the two measures of presence. The questionnaire of Slater, Usoh and Steed gave results that were most consistent with the presence construct defined by the authors.

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