Table 2 Number of principal component dimensions identified by the nine dimensional analysis methods for Studies 1, 2a, 2b, and 3.
From: Evidence of the unidimensional structure of mind perception
Number of dimensions identified | Dimensional analysis method | ||||||||
|---|---|---|---|---|---|---|---|---|---|
rndLambda | Broken stick | Twice mean | Spectral | Kmeans1 | Kmeans3 | T-test | T-test2 | CPT | |
Study 1 | |||||||||
1 dimension | 500 | 500 | 500 | 500 | 500 | 500 | 1 | 500 | 500 |
2 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 326 | 0 | 0 |
3 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 147 | 0 | 0 |
4 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 |
5 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
6 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
Study 2a | |||||||||
1 dimension | 500 | 500 | 500 | 500 | 500 | 500 | 191 | 500 | 500 |
2 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 216 | 0 | 0 |
3 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 93 | 0 | 0 |
Study 2b | |||||||||
1 dimension | 500 | 500 | 500 | 342 | 491 | 491 | 498 | 500 | 491 |
2 dimensions | 0 | 0 | 0 | 158 | 9 | 9 | 2 | 0 | 9 |
Study 3 | |||||||||
1 dimension | 500 | 500 | 500 | 500 | 500 | 500 | 464 | 500 | 500 |
2 dimensions | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 0 | 0 |