diff --git a/inst/qml/LSeffectSizes.qml b/inst/qml/LSeffectSizes.qml
index 84489a0..fce57d9 100644
--- a/inst/qml/LSeffectSizes.qml
+++ b/inst/qml/LSeffectSizes.qml
@@ -62,7 +62,7 @@ Form {
 				name:			"effectSizeValueDelta"
 				label:			"δ"
 				visible:		!inputPopulation.checked
-				defaultValue:	0
+				defaultValue:	0.5
 			}
 
 			DoubleField