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Table 2 ITACS Item Statistics

From: Activity competence among infants and toddlers with developmental disabilities: Rasch analysis of the Infant Toddler Activity Card Sort (ITACS)

Item Measure Infit MNSQ Infit ZSTD Outfit MNSQ Outfit ZSTD
Crying/communicating 2.11 0.93 −0.50 1.08 0.44
Going to school 1.52 0.87 −0.94 0.76 −1.18
Walking 1.52 1.05 0.41 0.92 −0.30
Using the potty 1.32 0.89 −0.70 0.91 −0.32
Running 1.12 1.11 0.76 1.00 0.08
Reading books 0.79 1.07 0.46 1.01 0.13
Get dressed 0.79 0.83 −1.04 0.69 −1.09
Sleeping 0.79 1.54 2.91 1.90 2.51
Eating at restaurants 0.79 1.25 1.46 1.84 2.39
Play with puzzles 0.68 1.03 0.22 0.84 −0.42
Interact with pets 0.56 1.28 1.54 1.44 1.27
Social interactions 0.44 1.14 0.81 1.30 0.87
Crawling 0.44 1.17 0.95 1.53 1.38
Coloring/drawing 0.31 0.92 −0.38 0.98 0.07
Climbing on play equipment 0.31 1.02 0.19 1.15 0.49
Spoon feeding 0.31 1.00 0.08 0.75 −0.58
Pretend play 0.18 0.89 −0.50 0.73 −0.57
Play with tablet 0.18 0.76 −1.24 0.52 −1.25
Bottle feeding 0.18 0.96 −0.13 1.03 0.22
Finger feeding 0.18 1.17 0.86 1.15 0.48
Brushing teeth 0.18 1.19 0.95 1.66 1.46
Playing 0.04 0.77 −1.14 0.55 −1.06
Using a cup −0.11 0.92 −0.31 0.71 −0.49
Tummy time −0.27 1.16 0.71 1.40 0.84
Running errands with you −0.27 0.80 −0.80 0.46 −1.10
Diaper changing −0.44 1.02 0.16 1.13 0.41
Playing outside −0.44 1.13 0.56 0.77 −0.23
Attending religious services −0.63 0.94 −0.11 0.58 −0.55
Help with cooking/meals −0.63 0.87 −0.37 0.91 0.07
Play with blocks −0.84 0.85 −0.39 0.38 −0.89
Ride in the car or use transportation −0.84 0.85 −0.40 0.50 −0.61
Take a bath −0.84 0.68 −1.06 0.34 −1.02
Watching TV −1.08 1.16 0.55 0.77 −0.04
Play with siblings −1.08 0.92 −0.13 0.52 −0.44
Music/singing −1.70 1.03 0.22 0.80 0.19
Going for walks −1.70 0.93 0.02 0.37 −0.37
Swinging −1.70 0.80 −0.28 0.41 −0.29
Playing with adults −2.17 0.89 0.01 0.54 −0.01
Breastfeeding −4.16 Minimum Measure    
Smiling −4.16 Minimum Measure