diff --git a/frontend/src/App.js b/frontend/src/App.js
index 9ba9375..415c951 100644
--- a/frontend/src/App.js
+++ b/frontend/src/App.js
@@ -4,15 +4,15 @@ import "./App.css";
 import { BrowserRouter as Router, Switch, Route } from "react-router-dom";
 import Home from "./components/pages/Home";
 import Ueber from "./components/pages/Ueber";
-import Lizenzen from "./components/pages/Lizenzen";
+import Lizenzen from "./components/pages/lizenzen";
 import Privacy from "./components/pages/Privacy";
 import Login from "./components/pages/Login";
 import Register from "./components/pages/Register";
 import Manual from "./components/pages/Manual";
+import Secret from "./components/pages/Secret";
 import Umfrage from "./components/pages/Umfrage";
 import PrivateRoute from "./auth/PrivateRoute";
 import Study from "./components/pages/Study";
-import Secret from "./components/pages/Secret";
 
 function App() {
   return (
diff --git a/frontend/src/components/Navbar.js b/frontend/src/components/Navbar.js
index 5f8b68a..a30ce29 100644
--- a/frontend/src/components/Navbar.js
+++ b/frontend/src/components/Navbar.js
@@ -44,17 +44,11 @@ function Navbar() {
                 Startseite
               </Link>
             </li>
-            {isLoggedIn && (
-              <li className="nav-item">
-                <Link
-                  to="/study"
-                  className="nav-links"
-                  onClick={closeMobileMenu}
-                >
-                  Studie
-                </Link>
-              </li>
-            )}
+            <li className="nav-item">
+              <Link to="/study" className="nav-links" onClick={closeMobileMenu}>
+                Studie
+              </Link>
+            </li>
             <li className="nav-item">
               <Link to="/Ueber" className="nav-links" onClick={closeMobileMenu}>
                 Über
diff --git a/frontend/src/components/pages/Study.js b/frontend/src/components/pages/Study.js
index 54b8f8b..071ebd8 100644
--- a/frontend/src/components/pages/Study.js
+++ b/frontend/src/components/pages/Study.js
@@ -15,15 +15,6 @@ import { authFetch } from "../../auth/AuthProvider";
 export default function Study() {
   const _logger = useRef(0);
   const [serverUsername, setServerUsername] = useState("");
-  const [genPassword, setGenPassword] = useState("");
-  const STATES = {
-    START: "start",
-    NORMAL: "normal",
-    PHONE: "phone",
-    STANDING: "standing",
-    END: "end",
-  };
-  const [state, setState] = useState(STATES.START);
 
   useEffect(() => {
     _logger.current = new Logger({
@@ -53,6 +44,12 @@ export default function Study() {
     password = tmp_password;
   };
 
+  const [isStepStart, setIsStepStart] = useState(true);
+  const [isStepNormal, setIsStepNormal] = useState(false);
+  const [isStepPhone, setIsStepPhone] = useState(false);
+  const [isStepStanding, setIsStepStanding] = useState(false);
+  const [isStepEnd, setIsStepEnd] = useState(false);
+
   const handleLoggerOff = () => {
     _logger.current.stop();
     console.log("Logger ausgeschaltet");
@@ -78,9 +75,15 @@ export default function Study() {
   };
 
   const checkIfUsernameIsCorrect = () => {
-    return serverUsername === username;
+    if (serverUsername === username) {
+      return true;
+    } else {
+      return false;
+    }
   };
 
+  const [genPassword, setGenPassword] = useState("");
+
   const receiveRandomPassword = () => {
     fetch("/api/rcv_pw", {
       method: "get",
@@ -94,31 +97,43 @@ export default function Study() {
   };
 
   const checkIfPasswordIsCorrect = () => {
-    return genPassword === password;
+    if (genPassword === password) {
+      return true;
+    } else {
+      return false;
+    }
   };
 
   const checkIfValuesAreCorrect = () => {
     console.log(checkIfPasswordIsCorrect());
-    return checkIfPasswordIsCorrect() && checkIfUsernameIsCorrect();
+    if (checkIfPasswordIsCorrect() && checkIfUsernameIsCorrect()) {
+      return true;
+    } else {
+      alert("Passt nicht");
+      return false;
+    }
   };
 
   const handleClickAtStepStart = () => {
     receiveRandomPassword();
-    setState(STATES.NORMAL);
+    setIsStepStart(false);
+    setIsStepNormal(true);
     handleLoggerOn();
   };
 
   const handleClickAtStepNormal = () => {
     if (checkIfValuesAreCorrect()) {
       receiveRandomPassword();
-      setState(STATES.PHONE);
+      setIsStepNormal(false);
+      setIsStepPhone(true);
     }
   };
 
   const handleClickAtStepPhone = () => {
     if (checkIfValuesAreCorrect()) {
       receiveRandomPassword();
-      setState(STATES.STANDING);
+      setIsStepPhone(false);
+      setIsStepStanding(true);
     } else {
       console.log("Passwort und Benutzername stimmen nicht.");
     }
@@ -126,7 +141,8 @@ export default function Study() {
 
   const handleClickAtStepStanding = () => {
     if (checkIfValuesAreCorrect()) {
-      setState(STATES.END);
+      setIsStepStanding(false);
+      setIsStepEnd(true);
       handleLoggerOff();
     } else {
       console.log("Passwort und Benutzername stimmen nicht.");
@@ -225,7 +241,7 @@ export default function Study() {
           onChange={handlePasswordChange}
           InputType="password"
           InputName="Passwort"
-          InputPlaceHolder="Passwort"
+          InputPlaceHolder="Benutzername"
           onPaste={handleOnPasteEvent}
         />
         <SubmitField
@@ -244,11 +260,11 @@ export default function Study() {
     <>
       <div className="sitePage">
         <h1>Studie</h1>
-        {state === STATES.START ? study_start : null}
-        {state === STATES.NORMAL ? study_normal : null}
-        {state === STATES.PHONE ? study_phone : null}
-        {state === STATES.STANDING ? study_standing : null}
-        {state === STATES.END ? study_end : null}
+        {isStepStart ? study_start : null}
+        {isStepNormal ? study_normal : null}
+        {isStepPhone ? study_phone : null}
+        {isStepStanding ? study_standing : null}
+        {isStepEnd ? study_end : null}
       </div>
       <Footer />
     </>
diff --git a/frontend/src/components/pages/Umfrage.js b/frontend/src/components/pages/Umfrage.js
index a47ec6c..33bc203 100644
--- a/frontend/src/components/pages/Umfrage.js
+++ b/frontend/src/components/pages/Umfrage.js
@@ -51,8 +51,8 @@ export default function Umfrage() {
 
     if (!Number(age)) {
       setAgeErrorMessage("Das Alter muss als Zahl angegeben werden.");
-      setIsSurveyValid(false);
-      setIsAgeOk(false);
+      //setIsSurveyValid(false);
+      // setIsAgeOk(false);
     }
     if (gender === "DEFAULT" || gender === "") {
       setGenderErrorMessage(
diff --git a/frontend/src/components/pages/Lizenzen.js b/frontend/src/components/pages/lizenzen.js
similarity index 100%
rename from frontend/src/components/pages/Lizenzen.js
rename to frontend/src/components/pages/lizenzen.js