Table 4.
Convergent validity: Factor loadings, Cronbach alphas, composite reliabilities, (average variance extracted), and minimum item to total correlation.
| Dimension and item | Factor loading (CFA) | Cronbach alpha | Composite reliability | Average variance extracted | Minimum item to total correlation | |
| Body extension | —a | 0.84 | 0.88 | 0.71 | 0.76 | |
|
|
When using a <technology> it feels like it is part of my body | 0.83 | — | — | — | — |
| When using a <technology> it feels like it is an extension of my body | 0.74 | — | — | — | — | |
| When using a <technology> it almost feels like it is incorporated into the body | 0.86 | — | — | — | — | |
| Cognitive extension | — | 0.72 | 0.84 | 0.64 | 0.80 | |
|
|
Using <technology> heightens my knowledge about my activity | 0.61 | — | — | — | — |
| Using <technology> helps me learn about my activity | 0.84 | — | — | — | — | |
| Using <technology> helps me gain understanding of my activity | 0.62 | — | — | — | — | |
| Self-extension | — | 0.86 | 0.88 | 0.71 | 0.76 | |
|
|
When using a <technology> it feels like it is an extension of myself | 0.76 | — | — | — | — |
| When using a <technology> it feels like it is related to my sense of self | 0.86 | — | — | — | — | |
| When using a <technology> it feels like it is a psychological extension of myself | 0.81 | — | — | — | — | |
aNot applicable.