## 5 Results
### Vrise  
The detailed VRISE results assessed by the SSQ, FMS, and VRNQ questionnaires for all conditions are shown in Table 2. The average FMS was calculated as an average score from all six verbally given scores before, during, and at the end for each game scenario. Progress of the average FMS scores by time and condition is presented in Figure 5.  
For the LA mode of the game, it was evident that the mean SSQ scores were higher (more sickness) when rest-frames were used. Quite the opposite was apparent in the HA mode of the game, where lower mean SSQ scores (less sickness) were observed when rest-frames were used, except for the RFG condition on the SSQ Nausea and SSQ Oculomotor subscales, where the mean scores were higher. From the results, there was a noticeable drop in the SSQ Total and Disorientation maximum scores when comparing the HA_NORF condition to the HA_RFG and HA_RFH conditions. From those results, we can conclude that using rest-frames in the HA mode of the game influenced the maximum SSQ Total and SSQ Disorientation scores. The maximum values of the SSQ Total and SSQ Disorientation scores in the HA mode of the game with the rest-frames were even lower than in a less provocative LA mode of the game for any of the conditions. The Shapiro-Wilk test showed that the data was not normally distributed. Therefore, we used nonparametric statistical tests. To observe the differences between the combinations of conditions for the VRISE scores and examine the hypotheses, the Wilcoxon signed-rank test was used. The results for the LA mode of the game are presented in Table 3. \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**VRISE Scale** & **Condition** & **N** & **Mean** & **SD** & **Min Value** & **Max Value** \\ \hline \hline \multirow{2}{*}{SSQ Total} & LA\_NORF & 33 & 21.78 & 23.04 & 0 & 104.72 \\  & LA\_RFG & 33 & 27.31 & 26.70 & 0 & 119.68 \\  & LA\_RFH & 33 & 30.49 & 30.49 & 0 & 123.42 \\  & HA\_NORF & 33 & 27.88 & 27.75 & 0 & 112.20 \\  & HA\_RFG & 33 & 27.77 & 25.11 & 0 & 78.54 \\  & HA\_RFH & 33 & 25.84 & 22.74 & 0 & 71.06 \\ \hline \multirow{2}{*}{SQ} & LA\_NORF & 33 & 21.93 & 29.33 & 0 & 139.20 \\  & LA\_RFG & 33 & 31.21 & 35.32 & 0 & 125.28 \\  & LA\_RFH & 33 & 32.90 & 36.96 & 0 & 167.04 \\  & HA\_NORF & 33 & 31.64 & 34.15 & 0 & 125.28 \\  & HA\_RFG & 33 & 27.42 & 28.16 & 0 & 83.52 \\  & HA\_RFH & 33 & 27.84 & 27.18 & 0 & 83.52 \\ \hline \multirow{2}{*}{SSQ Nausea} & LA\_NORF & 33 & 23.99 & 24.45 & 0 & 95.40 \\  & LA\_RFG & 33 & 26.60 & 26.38 & 0 & 95.40 \\  & LA\_RFH & 33 & 32.96 & 35.38 & 0 & 114.48 \\  & HA\_NORF & 33 & 30.35 & 34.76 & 0 & 124.02 \\  & HA\_RFG & 33 & 31.22 & 33.58 & 0 & 114.48 \\  & HA\_RFH & 33 & 28.04 & 30.35 & 0 & 95.40 \\ \hline \multirow{2}{*}{SQ} & LA\_NORF & 33 & 13.32 & 17.98 & 0 & 90.96 \\  & LA\_RFG & 33 & 17.23 & 19.81 & 0 & 98.54 \\  & LA\_RFH & 33 & 17.69 & 19.11 & 0 & 90.96 \\  & HA\_NORF & 33 & 15.16 & 16.19 & 0 & 68.22 \\  & HA\_RFG & 33 & 16.54 & 16.78 & 0 & 68.22 \\  & HA\_RFH & 33 & 14.93 & 17.00 & 0 & 75.80 \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Subjective Virtual Reality-Induced Symptoms and Effects (VRISE) levels assessed by the Simulator Sickness Questionnaire (SSQ), Fast Motion Sickness (FMS), and Virtual Reality Neuroscience Questionnaire (VRNQ) (VRISE Section). Figure 5: Progress of the average FMS scores by time and condition for all participants who completed the experiments (all six repetitions). A drop from FMS 3 to FMS 4 for the LA\_NORF and LA\_RFH conditions and a drop from FMS 5 to FMS 6 for the LA\_NORF and LA\_RFG conditions was interesting. In general, the FMS scores rose throughout the gameplay for all the conditions. The condition without the rest-frames is referred to as NORF, condition with rest-frames glasses as RFG, and condition with the baseball hat as RFH.