Table 5: User study results (N=10). Construct scores are on a 7-point Likert scale (higher is better; reverse items recoded). SUS is the 0–100 System Usability Scale score.

Construct (items) Mean SD
Storyline reflection (S1–S8) 5.49 1.32
Image quality (I1–I6) 5.90 0.82
Video quality (V1–V6) 5.65 0.97
System usability (U1–U10) 5.90 1.18
Utility & acceptance (E1–E9) 6.17 1.06
Low workload (W1–W3, recoded) 5.97 0.96
Overall satisfaction (G1–G2) 5.45 1.79
SUS score (0–100) 81.7 19.6