diff --git a/src/App.tsx b/src/App.tsx
index 53aa1ec..9e342e8 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -8,6 +8,7 @@ import Legend from "./components/Legend";
 import QRCode from "./components/QRCode";
 import { WaffleChart } from "./components/WaffleChart";
 
+import { config } from "./config";
 import { getSampleData } from "./lib/data";
 import "./styles/App.scss";
 
@@ -20,7 +21,7 @@ function App() {
     queryKey: ["responses"],
     // queryFn: fetchGoogleSheet,
     queryFn: getSampleData,
-    refetchInterval: 1 * 1000, // Refresh every 5 seconds
+    refetchInterval: config.refreshIntervalSeconds * 1000,
   });
 
   if (metadataQuery.isPending || responseQuery.isPending)
diff --git a/src/config.ts b/src/config.ts
index 7c5fefc..ad31c61 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -11,6 +11,7 @@ export const config = {
   chartHeight: 50,
   dotShape: "rect", // "circle" or "rect"
   renderXAxis: true, // Whether to render the x-axis
+  refreshIntervalSeconds: 1, // Refresh interval for response data in seconds
 };
 
 // Color scheme for Likert scale responses
diff --git a/src/lib/data.ts b/src/lib/data.ts
index 4027c80..0240def 100644
--- a/src/lib/data.ts
+++ b/src/lib/data.ts
@@ -22,8 +22,5 @@ export async function getSampleData(): Promise<ResponseData[]> {
       });
     });
   }
-  // Simulate a delay to mimic fetching actual data
-  return new Promise<ResponseData[]>((resolve) => {
-    setTimeout(() => resolve(sampleData), 500);
-  });
+  return Promise.resolve(sampleData);
 }