Table 1.
One-sample t tests summarizing the measures that are significantly different from zero (baseline) for both test periods (immediate and late) and exposure duration.
| Measure and exposure duration | Before to immediately after VRa | Before to 40 min (late) after VR | ||||||
|
|
|
t test (df) | P value | Cohen d | t test (df) | P value | Cohen d | |
| Accommodation | ||||||||
|
|
10 min | 2.824 (35) | .008 | 0.471 | 0.137 | .89 | 0.023 | |
|
|
50 min | 3.709 (35) | <.001 | 0.618 | 1.804 | .08 | 0.301 | |
| Convergence | ||||||||
|
|
10 min | 2.205 (35) | .03 | 0.367 | 1.172 | .25 | 0.195 | |
|
|
50 min | 3.494 (35) | .001 | 0.582 | 1.324 | .19 | 0.221 | |
| RTb (decision) | ||||||||
|
|
10 min | 1.457 (35) | .15 | 0.243 | −0.541 | .59 | −0.090 | |
|
|
50 min | 1.649 (35) | .11 | 0.275 | 0.602 | .55 | 0.100 | |
| RT (movement) | ||||||||
|
|
10 min | −2.725 (35) | .01 | −0.454 | −1.028 | .31 | −0.171 | |
|
|
50 min | −1.206 (35) | .24 | −0.201 | −0.714 | .48 | −0.119 | |
| Total SSQc | ||||||||
|
|
10 min | 3.427 (35) | .002 | 0.571 | −0.627 | .54 | −0.105 | |
|
|
50 min | 4.765 (35) | <.001 | 0.794 | 0.357 | .72 | 0.060 | |
| Nausea | ||||||||
|
|
10 min | 1.063 (35) | .295 | 0.177 | −1.655 | .11 | −0.276 | |
|
|
50 min | 3.630 (35) | <.001 | 0.605 | −0.373 | .71 | −0.062 | |
| Oculomotor | ||||||||
|
|
10 min | 3.140 (35) | .003 | 0.523 | −0.475 | .64 | −0.079 | |
|
|
50 min | 4.639 (35) | <.001 | 0.773 | 0.094 | .93 | 0.016 | |
| Disorientation | ||||||||
|
|
10 min | 3.894 (35) | <.001 | 0.649 | 1.000 | .32 | 0.167 | |
|
|
50 min | 4.049 (35) | <.001 | 0.675 | 1.136 | .26 | 0.189 | |
aVR: virtual reality.
bRT: reaction time.
cSSQ: simulator sickness questionnaire.