id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ger-431	Perry, Lindsey	Different analyses, different validity conclusions? Evidence from the EGMA Spatial Reasoning Subtask	2018	18	.pdf	application/pdf	8198	464	51	For example, there are four types of Spatial Reasoning items. Table 4 Cronbach’s Alpha by Spatial Reasoning Pilot Test Form Form Internal Consistency Form A 0.25 Form B 0.35 Form C 0.17 Form D 0.61 Table 5 Percent correct and item-total correlations for EGMA Spatial Reasoning items Percent Correct Mean (SD) Item-total Correlation Mean (SD) Minimum Maximum All items 73% (24%) 0.30 (0.15) -0.26 0.59 3D Spatial Visualization 79% (22%) 0.29 (0.15) 0.05 0.59 2D Spatial Visualization 55% (24%) 0.23 (0.19) -0.26 0.45 3D Spatial Structuring 75% (21%) 0.38 (0.10) 0.17 0.51 2D Spatial Structuring 86% (15%) 0.30 (0.12) 0.01 0.54 Different analyses, different conclusions 135	cache/ger-431.pdf	txt/ger-431.txt