Table 3. Component loadings of principal component analysis.
| Component 1 | Component 2 | Correlation between
Components |
KMO of Sampling
Adequacy |
Bartlett’s Test of
Sphericity |
|
|---|---|---|---|---|---|
| CIT | 0.981 | -0.043 | 0.159 | 0.662 |
χ
2 (15) = 3759.508,
p = 0.000 |
| CITA | 0.982 | -0.087 | |||
| CPD | 0.197 | 0.974 | |||
| DOC | 0.987 | -0.083 | |||
| HINDEX | 0.833 | 0.140 | |||
| SELF | 0.947 | -0.104 | |||
| Variance Explained | 75.498% | 16.575% | |||
| Name of component
given by the author |
Research
Performance |
Research
Impact |
Applied rotation method is direct oblimin; KMO ( Kaiser-Meyer-Olkin > 0.6) and Bartlett’s ( p < 0.05) assumption were fulfilled; DOC = Total documents; CITA = Total citable documents; CIT = Total citations; SELF = Total self-citations; CPD = Citations per document; HINDEX = H-index