Exploring the ideational explanation for pro-immigrant sentiment: evidence from a South Korean survey

Comparative Migration Studies

Table 12 Item-analysis: isolationism index

Item	Obs	Sign	Item-Test Correlation	Item-Rest Correlation	Average Interitem Covariance	Alpha
‘item1’	1660	+	0.701	0.447	0.271	0.636
‘item2’	1660	+	0.771	0.559	0.222	0.564
‘item3’	1660	−	0.703	0.447	0.269	0.636
‘item4’	1660	−	0.700	0.430	0.271	0.648
Test scale					0.258	0.687