Table 4 Corrected item-subscale and item-total Spearman’s ρ correlation coefficients, by rater

Engagement

1

.80 (.65–.89)

.81 (.68–.89)

.78 (.61–.88)

.74 (.55–.86)

2

.82 (.64–.92)

.79 (.64–.89)

.78 (.62–.88)

.75 (.57–.86)

3

.47 (.20–.68)

.71 (.52–.84)

.35 (.06–.59)

.62 (.37–.78)

4

.62 (.35–.82)

.44 (.15–.69)

.54 (.24–.76)

.28 (−.03–.56)

5

.61 (.39–.77)

.54 (.28–.74)

.77 (.60–.88)

.69 (.48–.84)

Functionality

6

.64 (.41–.82)

.62 (.40–.76)

.48 (.20–.69)

.42 (.11–.67)

7

.50 (.22–.72)

.71 (.51–.84)

.33 (.02–.60)

.62 (.38–.79)

8

.75 (.56–.88)

.78 (.63–.87)

.45 (.17–.68)

.74 (.57–.86)

9

.65 (.44–.81)

.80 (.62–.90)

.53 (.29–.70)

.73 (.53–.86)

Aesthetics

10

.69 (.45–.84)

.60 (.36–.78)

.82 (.66–.91)

.69 (.50–.83)

11

.75 (.55–.89)

.88 (.80–.93)

.60 (.35–.78)

.75 (.57–.86)

12

.86 (.73–.93)

.87 (.76–.93)

.68 (.48–.82)

.75 (.55–.87)

Information^a

13

.33 (.03–.58)

.43 (.14–.66)

.30 (−.02–.59)

.43 (.11–.69)

14

.32 (.01–.59)

.34 (.01–.63)

.23 (−.11–.54)

.27 (−.06–.56)

15

.70 (.51–.84)

.76 (.62–.83)

.61 (.35–.80)

.58 (.36–.76)

16

.49 (.22–.71)

.51 (.29–.67)

.73 (.54–.86)

.56 (.28–.77)

17

.54 (.23–.77)

.54 (.28–.71)

.63 (.39–.79)

.71 (.52–.84)

18

.62 (.42–.76)

.59 (.36–.77)

.61 (.38–.78)

.57 (.33–.76)

Subjective quality

20

.94 (.90–.97)

.89 (.80–.94)

.89 (.79–.94)

.83 (.69–.90)

21

.88 (.77–.94)

.86 (.75–.92)

.81 (.67–.89)

.81 (.69–.88)

22

.88 (.81–.92)

.79 (.65–.86)

.81 (.65–.90)

.69 (.51–.80)

23

.95 (.91–.97)

.94 (.89–.97)

.89 (.79–.94)

.88 (.79–.94)