September 2011
Intermediate to advanced
612 pages
15h 48m
Japanese
Content preview from Making Software ―エビデンスが変えるソフトウェア開発
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113
視覚的プログラミングへのシフトによる道具立ての改良
視覚的プログラミングへのシフトによる道具立ての改良
どうすれば道具立てを改良できるでしょうか？
はっきりと分かる答えの
1
つは、今より視覚的な表
記法へと移行することです。
David Smith
のアイコンベースプログラミング言語「
Pygmalion
」［
Smith
1975
］の出現以来、理論上は視覚的推論の方が学生にとって容易かもしれない、ということになってい
ます。確かに、コンピューティング分野で、視覚化が学生の手助けになったことを示す研究はこれまで
に多数ありました［
Naps et al. 2003
］。しかし、注意深い研究は比較的少数です。
Thomas Green
と
Marian Petre
は、データフロー型の視覚的プログラミング言語とテキストによる
プログラミング言語とをきっちり対応させて比較しました［
Green and Petre 1992
］。彼らは、以前の
研究でうまく行くと分かっている
2
種類の視覚化言語と、テスト結果が良好だった
1
つのテキスト型言
語とでプログラムを作りました。被験者は視覚化プログラムまたはテキスト型プログラムを短時間見せ
られ、それらについて（たとえば、提示されていた入力データや出力結果について）質問されます。結
果は、「図的な言語を理解する方が、常により多くの時間が掛かりました。」この結果は、被験者が視覚
化言語やテキスト型言語にどのくらい経験があるとか、どちらの種類の視覚化言語かには関係ありませ
んでした。被験者は一貫して視覚化言語の理解がテキスト言語よりも遅かったのです。 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.