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Appendix 8
The adapted Impaired Control Scale (ICSdrg): Principal Components Analysis
Sample 4 (n=118; data available for 111)
Part 1: items 1-5 Factors and eigenvalues
Factor Eigenvalue
1 3.43
2 .56
3 .46
4 .33
5 .22
% of variance 68.7
11.1
9.3
6.6 4.3
cumulative % 68.7
79.8
89.1
95.7 100
Part 1: items 1-5 item loadings on Factor 1
item Factor 1
1 .78
2 .77
3 .89
4 .87
5 .82
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