diff --git a/models/adminModel.go b/models/adminModel.go
index 23d45be..135712e 100644
--- a/models/adminModel.go
+++ b/models/adminModel.go
@@ -38,17 +38,17 @@ func (s *Admin) ComparePasswords(password string) bool {
 
 func (s *Admin) CheckPasswordStrength(password string) bool {
 
-	var hasUpper bool = true
+	var hasUpper bool = false
 	for _, r := range password {
-		if !unicode.IsUpper(r) && unicode.IsLetter(r) {
-			hasUpper = false
+		if unicode.IsUpper(r) && unicode.IsLetter(r) {
+			hasUpper = true
 		}
 	}
 
-	var hasLower bool = true
+	var hasLower bool = false
 	for _, r := range password {
 		if !unicode.IsLower(r) && unicode.IsLetter(r) {
-			hasLower = false
+			hasLower = true
 		}
 	}
 
diff --git a/models/studentModel.go b/models/studentModel.go
index 4bed5cf..89e4ff5 100644
--- a/models/studentModel.go
+++ b/models/studentModel.go
@@ -59,17 +59,17 @@ func (s *Student) ComparePasswords(password string) bool {
 
 func (s *Student) CheckPasswordStrength(password string) bool {
 
-	var hasUpper bool = true
+	var hasUpper bool = false
 	for _, r := range password {
-		if !unicode.IsUpper(r) && unicode.IsLetter(r) {
-			hasUpper = false
+		if unicode.IsUpper(r) && unicode.IsLetter(r) {
+			hasUpper = true
 		}
 	}
 
-	var hasLower bool = true
+	var hasLower bool = false
 	for _, r := range password {
-		if !unicode.IsLower(r) && unicode.IsLetter(r) {
-			hasLower = false
+		if unicode.IsLower(r) && unicode.IsLetter(r) {
+			hasLower = true
 		}
 	}
 
diff --git a/models/teacherModel.go b/models/teacherModel.go
index 0110685..c948285 100644
--- a/models/teacherModel.go
+++ b/models/teacherModel.go
@@ -60,17 +60,17 @@ func (t *Teacher) ComparePasswords(password string) bool {
 
 func (t *Teacher) CheckPasswordStrength(password string) bool {
 
-	var hasUpper bool = true
+	var hasUpper bool = false
 	for _, r := range password {
-		if !unicode.IsUpper(r) && unicode.IsLetter(r) {
-			hasUpper = false
+		if unicode.IsUpper(r) && unicode.IsLetter(r) {
+			hasUpper = true
 		}
 	}
 
-	var hasLower bool = true
+	var hasLower bool = false
 	for _, r := range password {
-		if !unicode.IsLower(r) && unicode.IsLetter(r) {
-			hasLower = false
+		if unicode.IsLower(r) && unicode.IsLetter(r) {
+			hasLower = true
 		}
 	}