marginally significantp = 0.097
Chi-square tests revealed significant demographic differences between the clusters in terms of age ( χ 2 (4) = 10.78, p = 0.029) and continent ( χ 2 (3) = 25.54, p < 0.001), and marginally significant differences for educational level ( χ 2 (4) = 7.86, p = 0.097) and robot encounters ( χ 2 (2) = 5.28, p = 0.071).