Threshold Effects of Creative Problem-Solving Attributes on Creativity in the Math Abilities of Taiwanese Upper Elementary Students

Table 1

Internal validity of the MCPSAT by item relevance indexes and item difficulty level.

Item	1	2	3	4	5	6	7	8	Mean
Infit	.91	1.19	1.15	.87	1.12	.90	1.65	2.06	1.23
MnSq
Outfit	.87	1.05	1.01	.86	.93	1.13	.99	2.06	1.11
MnSq
Difficulty	−.63	−.49	−.37	−.42	−.11	.53	.74	.76	.00