The concept of “presence” as a measure of ecological validity in driving simulators
DOI: 10.1186/s40166-015-0005-z
archive: archived pipeline: cataloged verified
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Summary
This pilot study investigates whether the concept of "presence" can serve as a proxy for ecological validity in driving simulators. The authors operate on the assumption that a strong sense of spatial presence leads users to react to virtual environments as if they were real. To test this, the researchers hypothesized that greater attention allocated to the primary driving task would correlate with higher spatial presence. The study aimed to determine if subjective measures of presence align with objective behavioral performance metrics, thereby validating the simulator's ecological validity. The experimental design involved 20 experienced drivers who participated in a 2x2 factorial study using a fixed-base driving simulator. The independent variables were the presence of oncoming traffic (intended to focus attention) and the performance of a secondary digital task (intended to distract attention). Participants completed ten laps on a closed track under four conditions: single-task with traffic, dual-task with traffic, single-task without traffic, and dual-task without traffic. Spatial presence was measured subjectively using the Measurement, Effects, Conditions – Spatial Presence Questionnaire (MEC–SPQ), which assesses dimensions such as attention allocation, spatial situation modeling, and self-location. Objective driving performance was analyzed through mean speed, standard deviation of speed, mean lateral position, and standard deviation of lateral position. The results revealed a significant lack of congruence between subjective and behavioral measures. While behavioral differences were observed across conditions—such as reduced speed and increased lateral deviation in dual-task scenarios—there were no significant differences in subjective MEC–SPQ scores. Specifically, neither the presence of traffic nor the secondary task significantly affected participants' reported sense of presence. However, behavioral data confirmed that traffic and secondary tasks impacted driving performance; for instance, drivers in traffic conditions maintained higher lateral positions, and dual-task participants drove slower with greater speed variability. Linear regressions indicated that higher subjective scores for suspension of disbelief and visual spatial imagery correlated with improved lateral control, but these subjective scores did not vary significantly between experimental conditions. The study concludes that subjective questionnaires alone are insufficient for assessing presence in driving simulators, particularly when tasks rely on automatic, bottom-up attentional processes rather than high-level cognitive engagement. The authors argue that participants remain aware of the lack of physical danger in the simulator, which limits their emotional involvement and motivation. Consequently, the paper advocates for the concomitant use of subjective and objective measures to evaluate simulator validity. It suggests that future research must develop more challenging scenarios that induce higher cognitive involvement and emotional responses to create sensitive measures of presence and improve the ecological validity of driving simulations.
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | OpenAlex-citations | — | — | 1 | 2026-06-18 |
| archive | success | unpaywall | — | — | 2 | 2026-06-25 |
| extract | success | cached | — | — | 2 | 2026-06-26 |
| clean | success | clean | — | — | 1 | 2026-06-18 |
| chunk | success | chunk | — | — | 1 | 2026-06-18 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-18 |
| promote | success | — | — | — | 1 | 2026-06-18 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 1 | 2026-06-26 |
| tag | success | vector_similarity | — | — | 6 | 2026-06-18 |
| verify | success | — | — | — | 1 | 2026-06-26 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-26; verification: verified.
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- Methodological Resource: validation psychometrics, tool software
- Theoretical Contribution: theory or model