﻿ 4 facet item-type interactions: Knox Cube Test

# 4 facet item-type interactions: Knox Cube Test

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The Knox Cube Test is examined for bias between gender (sex) and item type

Facets specifications and data (in file Kctinter.txt):

 ; kctinter.txt TITLE='Knox Cube Test with interactions' Facets = 4  ; four facets: children, items, child gender, item length Positive = 1  ; for facet 1, children, higher score = higher measure Noncenter = 1  ; only facet 1, children, does not have mean measure set to zero Model = ?,?,? ,? ,D  ; elements of the four facets interact to produce dichotomous responses ?,?,?B,?B,D  ; interactions between facets 3 and 4, gender and item length * Labels = 1, Children  ; Children are facet 1 1-17  = 1 Boy,,1 ; Boys, in group 1, are numbered 1 through 17. Gender indicated by first character in label 18-35 = 2 Girl,,2 ; Girls, in group 2, are numbered 18 through 35. *   ; end of child labels for facet 1 2,Tapping items ; Items are facet 2 1  = 2 1-4  ; Items labelled by the order in which the four blocks are tapped 2  = 2 2-3  ; first character in label is the number of taps in the tapping pattern 3  = 3 1-2-4 4  = 3 1-3-4 5  = 3 2-1-4 6  = 3 3-4-1 7  = 4 1-4-3-2 8  = 4 1-4-2-3 9  = 4 1-3-2-4 10 = 4 2-4-3-1 11 = 5 1-3-1-2-4 12 = 5 1-3-2-4-3 13 = 5 1-4-3-2-4 14 = 6 1-4-2-3-4-1 15 = 6 1-3-2-4-1-3 16 = 6 1-4-2-3-1-4 17 = 6 1-4-3-1-2-4 18 = 7-1-3-4-2-1-4 * 3 = Gender, A  ; Dummy facet for child gender, only for interactions 1 = Boy, 0  ; elements anchored at 0 so do not enter into the measure estimation 2 = Girl, 0 * 4 = Number of Taps, A ; Dummy facet for number of taps in an item tapping pattern 2 = 2 taps, 0 3 = 3 taps, 0 4 = 4 taps, 0 5 = 5 taps, 0 6 = 6 taps, 0 7 = 7 taps, 0 * Dvalues = ; The child gender and number of taps are in the labels, so can be omitted from the data 3, 1, 1, 1 ; Child gender element for Facet 3 is indicated in the label of Facet 1, column 1 length 1 4, 2, 1, 1 ; Item length element for Facet 4 is indicated in the label of Facet 2, column 1 length 1 *   ; in the data: ; facet 1 element number ; facet 2 element number (a range) ; facet 3 not in data, obtained from Dvalues= ; facet 4 not in data, obtained from Dvalues= ; observations (as many as match range)   Data =  ; no data file name, so data follows immediately in this file 1 ,1   ,1 ; child 1 on item 1 scored 1: Facet elements for facets 3 and 4 provided in Dvalues= 1 ,2-18,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0 2 ,1-18,1,1,1,1,1,1,0,0,1,1,1,0,0,1,0,0,0,0 3 ,1-18,1,1,1,1,1,1,1,1,1,0,1,0,0,0,0,0,0,0 4 ,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 5 ,1-18,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0 6 ,1-18,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0 7 ,1-18,1,1,1,1,0,0,1,0,1,0,0,0,0,0,0,0,0,0 8 ,1-18,1,1,1,1,1,0,1,0,1,1,0,0,0,0,0,0,0,0 9 ,1-18,1,1,1,1,1,1,1,1,1,1,0,0,1,0,0,0,0,0 10,1-18,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0 11,1-18,1,1,1,1,1,1,1,1,1,1,0,0,1,0,0,0,0,0 12,1-18,1,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0 13,1-18,1,1,1,1,1,1,1,1,1,0,1,0,0,0,0,0,0,0 14,1-18,1,1,1,1,1,1,1,1,1,1,0,1,0,1,0,0,0,0 15,1-18,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0 16,1-18,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 17,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 18,1-18,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0 19,1-18,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0 20,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 21,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 22,1-18,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0 23,1-18,1,1,1,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0 24,1-18,1,1,1,1,1,0,0,1,1,1,1,1,0,0,0,0,0,0 25,1-18,1,1,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0 26,1-18,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0 27,1-18,1,1,1,1,1,1,1,1,1,1,1,0,1,0,0,1,1,0 28,1-18,1,1,1,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0 29,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 30,1-18,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,0,0 31,1-18,1,1,1,1,1,1,1,1,1,1,1,0,1,0,0,0,0,0 32,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 33,1-18,1,1,1,1,1,1,1,1,1,0,0,1,0,0,0,0,0,0 34,1-18,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 35,1-18,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0

This produces interaction Tables enabling us to investigate the relative performance of the genders on different tapping lengths.

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