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. 2011 Aug 24;11:141. doi: 10.1186/1471-244X-11-141

Table 3.

Cluster solutions in the Automatic Item Selection Procedure for six levels of lower bound c

Lower Bound c

.30 .40 .45 .50 .55 .60

Scale # 1 1 1 2 3 1 2 1 2 1 2
Item

1. laugh .44 .47 .55 - - .55 - .67 - .72 -
2. enjoyment .44 .47 .54 - - .54 - .64 - .72 -
3. blamed .44 .44 - .53 - us us us us us us
4. anxious/worried .36 Us - - .47 - .42 us us us us
5. scared/panicky .45 .46 - .53 - us us us us us us
6. things get on top of me .50 .52 .54 - - .54- - - .57 - .61
7. difficulty sleeping .51 .53 .55 - - .55 - - .59- - .61
8. sad/miserable .56 .58 .61 - - .61 - .58 - - .63
9. crying .47 .48 .50 - - .50 - - .55 us us
10. thought of self harm .44 .44 - - .47 - .44 us us us us

H .46 .49 .55 .53 .47 .55 .53 .64 .57 .72 .62

Note. us = unscalable