diff --git a/headers/os/interface/SplitView.h b/headers/os/interface/SplitView.h
index 3ca9d9642b..220248eeb9 100644
--- a/headers/os/interface/SplitView.h
+++ b/headers/os/interface/SplitView.h
@@ -42,14 +42,14 @@ public:
 									bool invalidateLayout);
 			void				SetItemWeight(BLayoutItem* item, float weight);
 
-			bool				GetCollapsible(int32 index) const;
+			bool				IsCollapsible(int32 index) const;
 			void				SetCollapsible(bool collapsible);
 			void				SetCollapsible(int32 index, bool collapsible);
 			void				SetCollapsible(int32 first, int32 last,
 									bool collapsible);
 
-			bool				GetItemVisible(int32 index) const;
-			void				SetItemVisible(int32 index, bool visible);
+			bool				IsItemCollapsed(int32 index) const;
+			void				SetItemCollapsed(int32 index, bool collapsed);
 
 //			void				AddChild(BView* child);
 			void				AddChild(BView* child, BView* sibling = NULL);
diff --git a/src/kits/interface/SplitLayout.cpp b/src/kits/interface/SplitLayout.cpp
index f2974f0235..91ca786f15 100644
--- a/src/kits/interface/SplitLayout.cpp
+++ b/src/kits/interface/SplitLayout.cpp
@@ -463,7 +463,7 @@ BSplitLayout::SetItemWeight(BLayoutItem* item, float weight)
 
 
 bool
-BSplitLayout::GetCollapsible(int32 index) const
+BSplitLayout::IsCollapsible(int32 index) const
 {
 	if (index < 0)
 		index = 0;
@@ -502,7 +502,7 @@ BSplitLayout::SetCollapsible(int32 first, int32 last, bool collapsible)
 
 
 bool
-BSplitLayout::GetItemVisible(int32 index) const
+BSplitLayout::IsItemCollapsed(int32 index) const
 {
 	if (index < 0)
 		index = 0;
@@ -514,14 +514,14 @@ BSplitLayout::GetItemVisible(int32 index) const
 
 
 void
-BSplitLayout::SetItemVisible(int32 index, bool visible)
+BSplitLayout::SetItemCollapsed(int32 index, bool collapsed)
 {
 	if (index < 0)
 		index = 0;
 	if (index > CountItems())
 		index = CountItems() - 1;
 
-	ItemAt(index)->SetVisible(visible);
+	ItemAt(index)->SetVisible(collapsed);
 
 	InvalidateLayout(true);
 }
diff --git a/src/kits/interface/SplitLayout.h b/src/kits/interface/SplitLayout.h
index b58096114a..a92c586a55 100644
--- a/src/kits/interface/SplitLayout.h
+++ b/src/kits/interface/SplitLayout.h
@@ -61,14 +61,14 @@ public:
 									bool invalidateLayout);
 			void				SetItemWeight(BLayoutItem* item, float weight);
 
-			bool				GetCollapsible(int32 index) const;
+			bool				IsCollapsible(int32 index) const;
 			void				SetCollapsible(bool collapsible);
 			void				SetCollapsible(int32 index, bool collapsible);
 			void				SetCollapsible(int32 first, int32 last,
 									bool collapsible);
 
-			bool				GetItemVisible(int32 index) const;
-			void				SetItemVisible(int32 index, bool visible);
+			bool				IsItemCollapsed(int32 index) const;
+			void				SetItemCollapsed(int32 index, bool visible);
 
 	virtual	BSize				BaseMinSize();
 	virtual	BSize				BaseMaxSize();
diff --git a/src/kits/interface/SplitView.cpp b/src/kits/interface/SplitView.cpp
index 77803f6cac..b21f887c13 100644
--- a/src/kits/interface/SplitView.cpp
+++ b/src/kits/interface/SplitView.cpp
@@ -153,9 +153,9 @@ BSplitView::SetItemWeight(BLayoutItem* item, float weight)
 
 
 bool
-BSplitView::GetCollapsible(int32 index) const
+BSplitView::IsCollapsible(int32 index) const
 {
-	return fSplitLayout->GetCollapsible(index);
+	return fSplitLayout->IsCollapsible(index);
 }
 
 
@@ -181,16 +181,16 @@ BSplitView::SetCollapsible(int32 first, int32 last, bool collapsible)
 
 
 bool
-BSplitView::GetItemVisible(int32 index) const
+BSplitView::IsItemCollapsed(int32 index) const
 {
-	return fSplitLayout->GetItemVisible(index);
+	return fSplitLayout->IsItemCollapsed(index);
 }
 
 
 void
-BSplitView::SetItemVisible(int32 index, bool visible)
+BSplitView::SetItemCollapsed(int32 index, bool collapsed)
 {
-	fSplitLayout->SetItemVisible(index, visible);
+	fSplitLayout->SetItemCollapsed(index, collapsed);
 }