TABLE 2.
Descriptive statistics, item difficulties (pi), corrected item-total correlations (rit), and factor loadings of the EFA with the SVS-GM.
| SVS-GM Items | M | SD | Skew. | Kurt. | p i | r it | Factor Loadings | |||
|
|
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| F1 | F2 | F3 | ||||||||
| Past: In the last 2–3 weeks … | ||||||||||
| 1. | … I felt alive and vital. | 6.07 | 2.55 | −0.56 | −0.56 | 60.70 | 0.83 | 0.82 | 0.15 | 0.00 |
| 2. | … I was full of drive. | 6.32 | 2.36 | −0.42 | −0.42 | 63.20 | 0.83 | 0.86 | 0.00 | 0.00 |
| 3. | … I had energy and spirit. | 6.58 | 2.32 | −0.65 | −0.65 | 65.80 | 0.88 | 0.96 | 0.00 | 0.00 |
| SI | … I felt vital, full of drive and spirited. * | 6.02 | 2.41 | −0.50 | −0.50 | 60.20 | – | – | – | – |
| Present/State: At this moment … | ||||||||||
| 4. | … I feel alive and vital. | 5.97 | 2.40 | −0.26 | −0.26 | 59.70 | 0.87 | 0.00 | 0.95 | 0.00 |
| 5. | … I am full of drive. | 5.66 | 2.59 | −0.21 | −0.21 | 56.60 | 0.84 | 0.00 | 0.87 | 0.00 |
| 6. | … I have energy and spirit. | 6.36 | 2.51 | −0.43 | −0.43 | 63.60 | 0.88 | 0.00 | 0.81 | 0.14 |
| SI | … I feel vital, full of drive and spirited. * | 5.95 | 2.47 | −0.28 | −0.28 | 59.50 | – | – | – | – |
| Future: When I think about what’s coming up in the next 2–3 weeks … | ||||||||||
| 7. | … I feel alive and vital. | 6.91 | 2.30 | −0.81 | −0.81 | 69.10 | 0.91 | 0.00 | 0.00 | 0.90 |
| 8. | … I am full of drive. | 6.97 | 2.24 | −0.76 | −0.76 | 69.70 | 0.85 | 0.00 | 0.00 | 0.88 |
| 9. | … I have energy and spirit. | 7.18 | 2.25 | −0.79 | −0.79 | 71.80 | 0.91 | 0.00 | 0.00 | 0.95 |
| SI | … I feel vital, full of drive and spirited. * | 6.68 | 2.31 | −0.62 | −0.62 | 66.80 | – | – | – | – |
N = 183, *SI = Single-item, Range = 0–10, Skew., Skewness; Kurt., Kurtosis.
EFA, Exploratory Factor Analysis, estimation method for the SVS-GM3 (9 items) was maximum likelihood with oblique rotation.
Factor loadings above 0.30 are in bold.
SVS-GM, 1-item and 3-item modified German Subjective Vitality Scale.