diff --git a/lang/ja/quiz_analysis.php b/lang/ja/quiz_analysis.php
index 04e3cdc2837..6c9653a3978 100644
--- a/lang/ja/quiz_analysis.php
+++ b/lang/ja/quiz_analysis.php
@@ -13,19 +13,19 @@ $string['dicsindextitle'] = '
 $string['disccoefftitle'] = '判別係数';
 $string['downloadooo'] = 'OpenOfficeフォーマットでダウンロードする。';
 $string['facilitytitle'] = '%%正解<br />ファシリティ';
-$string['lowmarkslimit'] = '次の評点以下は分析しない:';
+$string['lowmarkslimit'] = '次の評点以下は分析しない';
 $string['pagesize'] = 'ページあたりの問題数';
-$string['qcounttitle'] = 'Q. カウント';
-$string['qidtitle'] = 'Q#';
+$string['qcounttitle'] = '問題数';
+$string['qidtitle'] = '問題ID';
 $string['qnametitle'] = '問題名';
 $string['qtexttitle'] = '問題テキスト';
-$string['qtypetitle'] = 'Q. タイプ';
+$string['qtypetitle'] = '問題タイプ';
 $string['quizreportdir'] = 'quiz_reports';
-$string['rcounttitle'] = 'R.<br>カウント';
+$string['rcounttitle'] = '解答数';
 $string['reportanalysis'] = 'アイテム分析レポート';
 $string['responsestitle'] = '解答テキスト';
 $string['rfractiontitle'] = '部分点';
-$string['rpercenttitle'] = 'R.%%';
+$string['rpercenttitle'] = '解答%%';
 $string['stddevtitle'] = '標準偏差';
 
 ?>
diff --git a/lang/ja_utf8/quiz_analysis.php b/lang/ja_utf8/quiz_analysis.php
index be56a272aac..750747e56df 100644
--- a/lang/ja_utf8/quiz_analysis.php
+++ b/lang/ja_utf8/quiz_analysis.php
@@ -13,19 +13,19 @@ $string['dicsindextitle'] = '茘���ユ�����';
 $string['disccoefftitle'] = '��ゅ�ヤ�����';
 $string['downloadooo'] = 'OpenOffice��������若����������с�������潟����若�����������';
 $string['facilitytitle'] = '%%罩ｈВ<br />�����＜�激��������';
-$string['lowmarkslimit'] = '罨＜��荅���剛札筝�������������������:';
+$string['lowmarkslimit'] = '罨＜��荅���剛札筝�������������������';
 $string['pagesize'] = '�����若�吾�������������馹����';
-$string['qcounttitle'] = 'Q. ��������潟��';
-$string['qidtitle'] = 'Q#';
+$string['qcounttitle'] = '��馹����';
+$string['qidtitle'] = '��馹�ID';
 $string['qnametitle'] = '��馹����';
 $string['qtexttitle'] = '��馹���������鴻��';
-$string['qtypetitle'] = 'Q. ��帥�ゃ��';
+$string['qtypetitle'] = '��馹���帥�ゃ��';
 $string['quizreportdir'] = 'quiz_reports';
-$string['rcounttitle'] = 'R.<br>��������潟��';
+$string['rcounttitle'] = '茹ｇ�����';
 $string['reportanalysis'] = '��≪�ゃ�������������������若��';
 $string['responsestitle'] = '茹ｇ����������鴻��';
 $string['rfractiontitle'] = '���������';
-$string['rpercenttitle'] = 'R.%%';
+$string['rpercenttitle'] = '茹ｇ��%%';
 $string['stddevtitle'] = '罔�羣���鎴�';
 
 ?>