Simulations of urban or natural environments created by graphics computer software are increasingly beingutilized in research and applied contexts, and pertinent techniques have become highly sophisticated. How-ever, the quality and utility of such presentation means still need careful validation. This issue was addressedin a series of lab and field studies. In the study reported here, a simulation of a suburban environment waspresented to respondents (n= 147) in several variations to investigate the effects of lighting (day/sun, day/fog,night), personal shadow (yes/no) and sound (on/off) on perceived simulation quality. The contingencies withrelated aspects (such as comprehension, recol lection and appreciation of the simulated environment) wereinvestigated as well. Based on a comprehensive conceptual framework, a set of scales measuring relevantcognitive and affective aspects was employed. Main results are that simulations were perceived as valid andacceptable, that appraisals differ according to lighting and time-of-day conditions, and that provision of soundenhances the perceived quality of presentations. The findings elucidate which factors are crucial for furtherimproving simulations and clarify the validity of computer simulations for assessing existing and future en-vironments.C 2002 Published by Elsevier Science Ltd.
Simulations of urban or natural environments created by graphics computer software are increasingly being<br>utilized in research and applied contexts, and pertinent techniques have become highly sophisticated. How-<br>ever, the quality and utility of such presentation means still need careful validation. This issue was addressed<br>in a series of lab and field studies. In the study reported here, a simulation of a suburban environment was<br>presented to respondents (n= 147) in several variations to investigate the effects of lighting (day/sun, day/fog,<br>night), personal shadow (yes/no) and sound (on/off) on perceived simulation quality. The contingencies with<br>related aspects (such as comprehension, recol lection and appreciation of the simulated environment) were<br>investigated as well. Based on a comprehensive conceptual framework, a set of scales measuring relevant<br>cognitive and affective aspects was employed. Main results are that simulations were perceived as valid and<br>acceptable, that appraisals differ according to lighting and time-of-day conditions, and that provision of sound<br>enhances the perceived quality of presentations. The findings elucidate which factors are crucial for further<br>improving simulations and clarify the validity of computer simulations for assessing existing and future en-<br>vironments.<br>C 2002 Published by Elsevier Science Ltd.
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