Fig. 1

 A map of an individual ability and item difficulty for the 25 items on Caregiving Difficulty Scale (CDS). Each (#) represents two mothers of children with CP; more, high personal ability; less, low personal ability; rare, high item difficulty; frequ, low item difficulty; +M, item mean; M, person mean; S = 1 SD from the mean; T = 2 SD from the mean. Mother’s location range was similar to the range of an item’s difficulty level