Table 3 Integer structure and item mean...

Table 3

Integer structure and item mean for the 12 subtraction items (out of 28 in total)

Integer structure*	No of items	Mean	Item ID DCM test
p-N	1	0.30	21
N-p	2	0.43	17, 23
n-N	2	0.33	20,27
N-n	2	0.62	19,24
p-P	3	0.71	2,8,13
P-n	2	0.34	18, 22

Note(s): *Capital N or p indicates the greater absolute value

Source(s): Authors’ own creation

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