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スクラム勉強会 
2014/10/21 寺坂 郁也
今日は 
10章~12章やります
10章 
状況をうまく把握する
今どれくらいの 
進捗なんだろう?
ポイントは、透明性。
デイリースクラムを活用する 
• デイリースクラムは全員が集まる時間 
• いろいろな人の視点から見ることで問題を 
早期発見する 
• 最近のコードが汚くなっているとか 
調査がなかなか進まなくてまずいとか
タスクボードを使う 
• なんでも全員で確認することは難しいので、 
タスクボードを使って進捗を可視化する 
• ボトルネックが見つかりやすい 
! 
! 
ToDo:未着手Doing:着手Done:完了 
エラー調査 
UI開発 
API開発DB設計
チャートで見る 
• 「スプリントバーンダウンチャート」 
• 縦軸:タスクの見積もり時間の合計 
横軸:スプリントの営業日 
!
チームの状態を把握するには 
• みえにくいことをどんどん透明にして、 
プロジェクトの邪魔をしそうな要因を早期発見 
• タスクの進捗はチームで確認 
• 問題の芽に「チーム」で気づくことが大事
11章 
先を予測しやすくしておく
例えば
スプリントレビューまでに 
タスクが終わらない。
スプリントレビューを 
遅らせてもいい?
NO!!
タイムボックスはずらさない 
• タスクが終わらないという理由で、スプリント 
の締めをずらすのは厳禁 
• スプリントの期間内に作業が終了しなくても、 
期限がくれば必ず中断する 
• 見積もりの適正さや、1スプリントあたりの作業 
量が分からなくなってしまう
タイムボックスは予測に使う 
• タイムボックスによって、チームの実力が分かる 
• タイムボックスが守れない=チームがまだ未熟 
• タイムボックスに入るようにタスク調整をする
タイムボックスに納めるには? 
• 扱うものを小さくすることが大事! 
• まずは目の前のタイムボックスでこなせる 
タスクを積むこと
12章 
次にやることを明確にする
少し早くタスクが終わった! 
! 
スプリントの締めまで 
まだ時間があるけどどうしよう?
スプリントの締めを早める? 
次タスクを先取りする? 
今タスクを見直して質を上げる?
プロダクトバックログを見て 
次のタスクに取りかかる
プロダクトバックログ? 
• プロダクトバックログとは、これから取りかかっ 
ていくタスクの一覧 
• POによって優先順位がつけられているので、 
開発者は次にとりかかるべきタスクが分かる
プロダクトバックログの順位 
• 順位は常にPOが見直す 
• 下の方の順序は気にしない 
• 直近の数スプリント分程度の順位付けで十分 
• 早く実現すべきタスクが抜けていないことが大切
誰でも追加できる 
• プロダクトバックログは誰でも追加できる 
• ただし、順位の決定権はPOにあることに注意
つまり、 
プロダクトバックログにある 
次のタスクに取りかかる 
! 
または、 
ポイントの小さいタスクをこなす
以上です。 
次回は13章から。

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