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サーベイに基づく調査データが問題となった2例
•2018年2月 働き方改革、裁量労働制の拡大をめ
ぐって、国会での議論の根拠とされた「労働時間
等総合実態調査」(厚労省が2013年に公表)の
データに疑義
•2018年11月 外国人技能実習生の失踪者調査(法
務省)で失踪理由のデータに疑義
1.「労働時間等総合実態調査」
2018年2月 読売新聞
朝日新聞 2018.2.23. 働き方改革、失態次々 説明
不足データ・原票発見 ずさんさ追及、政権防戦
https://digital.asahi.com/articles/photo/AS2
0180223000240.html
働き方改革
裁量労働制を拡大すべき?
1万を超える事業所で、
「平均的な」労働者の労働
時間を調査
朝日新聞 2018.5.16. データに異常、2割削除
公表 厚労省の働き方巡る労働時間調査
https://digital.asahi.com/articles/photo/AS2018
0516000327.html
。
この発想はおかしい
「労働時間等総合実態調査」
• 「素人が見ても相当おかしい」(立憲の長妻昭代表代行)異常
値
• 「誤記か入力ミスと考えられる」(厚労省)
• 事業所を訪問して調査した労働基準監督官に「調査や記入の方
法を徹底できなかった」(厚労省)
• 調査の原票は「なくなった」(厚労相)
• 「徹底的に調べた結果、私どもの倉庫にあった」と答弁を修正。
読売新聞、朝日新聞、日本経済新聞
データを集める人が素人。
適切なデータのクリーニング
やチェックをしていない。原
票管理がずさん。
2.外国人技能実習生の失踪者調査
2018年11月 読売新聞
外国人技能実習生の失踪者調査(法務
省)で失踪理由のデータに疑義
• 2017年に失踪し、その後、強制送還などになった全員2870人に
聞き取り
• 失踪の理由について「より高い賃金を求めて」が約87%で最
多と説明していた
• 「より高い賃金を求めて」という選択肢はなく「低賃金」とい
う項目だったことや、割合も67・2%の誤りだった
• 「低賃金(最低賃金以下)」は22人? しかし、給与額から計
算すると最低賃金に達していないケースが7割相当
• 「指導が厳しい」が5・4%から12・6%に訂正
• 「暴力を受けた」が3・0%から4・9%に訂正
読売新聞、朝日新聞、日本経済新聞

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サーベイに基づく公的データが問題になった2例(2018年)