Testing difference in two proportions using D2prop macro in SPSS

Abstract

I introduce D2prop macro in SPSS that can be used to test difference in two proportions of two independent samples. The focus of this paper is to show how to use the macro and interpret its outputs.

Keywords

• difference in two proportions
• z-test
• wald interval
• yates's continuity correction
• agresti-caffo interval
• spss