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Pair Programming For Group Study

„ ›„ฐฐผฆฌ „œกœ „ธฏธ‚˜ฅผ •  •Œ ˆ™ œ ‚ฃผ๊ณ  ๊ฒ€‚ฌ•˜Š” ‹˜ ‹จ„  ธ ๊ฒƒ ง๊ณ  € ”  ๊ทน ธ ๊ณต€๊ฐ€   ˆ˜ žˆŠ” ฐฉ•„ †Œ๊ฐœ•‹ˆ‹ค. •„ฃผ งง€ ‹œ๊ฐ„ •ˆ— งŽ€ –‘˜ •™Šต(—ฌ๊ธฐ„œ •™Šต„ –ˆ‹ค๊ณ  •˜Š” ๊ฒƒ€ ญ”๊ฐ€ •  ˆ˜ žˆŠ” Šฅ ฅ ƒ๊ฒผ‹คŠ” ๊ฒƒ)„ •  ˆ˜ žˆŠต‹ˆ‹ค.


PairProgrammingž€ ExtremeProgrammingผ๊ณ  •˜Š” ƒˆกœš †Œ”„Šธ›จ– ๊ฐœฐœ ฐฉ•ก ˜ •œ๊ฐ€€ ๊ธฐ•œผกœ, ‘… •œ “จ„ฐฅผ šฉ•„œ ๊ฐ™ ”„กœ๊ทธž˜ฐ„ •˜Š” ๊ฒƒ„ ง•‹ˆ‹ค.

ผ๊ฒฌ—Š” ธ ฅ(Man*hour)˜ ‚ญน„ผ ๊ฒƒ ๊ฐ™€งŒ,  œ๊นŒ€˜ ‹คฆ  —ฐ๊ตฌกœŠ” "” งง€ ‹œ๊ฐ„ ‚—" "” ‚˜€ ฝ”“œ (—Ÿฌ๊ฐ€  €)"ฅผ งŒ“ค– ‚ผ ˆ˜ žˆ—ˆŠต‹ˆ‹ค.

 €Š” —ฌ๊ธฐ„œ PairProgramming˜ ๊ตœก  šจ๊ณผ™€ ฅผ ๊ทธฃน Šค„ฐ””‚˜ ”„กœ Šธ Œ€ ๊ตœก— ‘šฉ•˜Š” ฐฉ•„ ๊ฐ„žตžˆ „œˆ •˜๊ฒ Šต‹ˆ‹ค.

€‹๊€ฆฌ˜ „ธ๊ณ„  •™ž …ธ‚˜ ฟ €กœ ๊ตˆ˜Š” €‹— ˜•‹€™€ •”ฌต€๊ฐ€ žˆ‹ค๊ณ  •‹ˆ‹ค. ˜•‹€Š” ฌธ„œ™”, ๊ทœ™™”, ˆ˜‹™”œ €‹„ ง•˜๊ณ , •”ฌต€Š” ๊ทธ ‡€ •œ ๊ฒƒ“ค„ ง•‹ˆ‹ค. ๊ทธŸฐฐ, ––ค  „ฌธ๊ฐ€๊ฐ€ ๊ฐ€ง„ €‹ผŠ” ๊ฒƒ€ ๊ฑฐ˜ Œ€€ถ„ •”ฌต€ž…‹ˆ‹ค.  œ๊นŒ€Š” ˜•‹€˜  „‹ฌ—งŒ ‹ ๊ฒฝ„ Ÿ•˜€ •”ฌต€Š” ณ„ ๊€‹ฌ„ ฐ›€ –ˆ๊ณ , ๊ตœก ธ—„œ„ ค‘š”•˜๊ฒŒ ‹คค„€€ –ˆŠต‹ˆ‹ค. (•ถ„— œ …•œ ธ๊ฐ„ฌธ™”žฌ˜ Œ€๊ฐ€ Š๊ธฐŠ” ผ นˆฒˆ–ˆฃ .)

๊ทธŸฐฐ Ÿฐ •”ฌต€Š”  „ฌธ๊ฐ€™€ •™ƒ ๊ฐ™€ ๊ณต๊ฐ„„  œ •˜ฉฐ •จ๊˜ ผ•˜๊ณ  ƒ™œ•˜Š” †—„œ ๊ฐ€žฅ šจ๊ณผ œผกœ •™Šตฉ‹ˆ‹ค. „ œ‹ ˆ˜—…(apprenticeship)„ ผŠ” ๊ฒƒฃ .

๊ธฐ˜ ˜›… ธ ”„กœ๊ทธž˜จธ“ค˜ ผ™”ฅผ “ค– ž‹ “ค น„• ธ ฐœ „„ –ˆ˜ ‹œ๊ธฐŠ” Œ€€ถ„ "›Œฅญ•œ ”„กœ๊ทธž˜จธ"™€ •จ๊˜ ผ„ •  ˆ˜ žˆ—ˆ˜ •Œผ๊ณ  ž…„ ‹ˆ‹ค.

 ฐฉ‹„ †Œ”„Šธ›จ– ๊ฐœฐœ —…—„œ  šฉ•œ ๊ฒƒ€ Apprenticeship in a Software StudioผŠ” ฌธ„œ— ž˜ ‚˜™€ žˆŠต‹ˆ‹ค. http://www.rolemodelsoft.com/papers/ApprenticeshipInASoftwareStudio.htm (๊ผญ ฝ–๊ธฐฅผ ๊ถŒ•‹ˆ‹ค. „ค‚ฌ ”„กœ๊ทธž˜ฐ๊ณผŠ” ๊€ จ—†Š” ‚ฌžŒผ€ผ„)

—ฌ๊ธฐ„œŠ” ‹จ๊ธฐ๊ฐ„— Ÿฐ PairProgramming„ †ต•„œ Œ€ ‚— €‹ ™•‚ฐ˜๊ฒŒ •˜๊ฑฐ‚˜, ๊ทธฃน Šค„ฐ””— šฉ•  ˆ˜ žˆŠ” ฐฉ•„ „ก •˜ฃ .

šฐฆฌ๊ณผ ›„ฐฐ“ค •˜“ฏ ๊ฐœธณ„ ˆ™ œฅผ ‚ฃผ๊ณ  ฅผ ๊ฒ€‚ฌ•˜Š” ๊ฒƒ„ ข‹€งŒ Ÿฌ šจ๊ณผ ธ •™Šต ž˜ ค„€€ •ŠŠต‹ˆ‹ค. ๊ฐ™€ ๊ณต๊ฐ„—„œ •จ๊˜ ๊ณต€•  —ฌœ ๊ฐ€ žˆ‹ค Ÿฐ ๊ฐœณ„ •™Šต‹ค ๊ณต™ •™Šต ” šจ๊ณผ ž…‹ˆ‹ค.

˜ˆฅผ “ค–, A, B, C, D, E, F, G, HผŠ” —ฌŸ … •œ Œ€„ ฃฌ‹ค๊ณ  ๊ฐ€ ••‹œ‹ค. —ฌ๊ธฐ„œ, A™€ B๊ฐ€  „ฌธ๊ฐ€๊ณ  ‚˜จธ€Š” น„ˆ™ จžผ๊ณ  •˜ฃ .

ฒ˜Œ— ง„ Ÿฐ ‹œผกœ ง“Šต‹ˆ‹ค.

~cpp 
  A B C D
  E F G H

 ‡๊ฒŒ ˜ E™€ FŠ”  „ฌธ๊ฐ€ธ A™€ B™€ ง ‘ PairProgramming„ •˜๊ณ  ‚˜จธ€ „ค…€ ž๊ธฐ“คผฆฌ PairProgramming„ •˜๊ฒŒ ˜ฃ . ฒ˜Œ pairing—„œ C™€ G, D™€ HŠ” ƒœŠคฌฅผ ™„ˆ˜•€ •„ ๊œฐฎŠต‹ˆ‹ค -- Œ€‹  ฌธ œ ˜—ญ„ ƒƒ‰•˜Š” ™•ˆ –А  •„˜ •™Šต€ ฐœƒ•˜๊ฑฐ“ š”.

 ƒƒœ—„œŠ” A™€ BŠ” ExpertRating 0๊ณ , E™€ FŠ” 1 ฉ‹ˆ‹ค.  ๊ฐœ…€ ErdosผŠ” ˆ˜•™ž๊ฐ€ งŒ“  ๊ฒƒธฐ, Expert ž‹ € 0 ˜๊ณ , ๊ทธ ‚ฌžŒ๊ณผ •œฒˆผ„ pairing„ –ˆœผ 1 ฉ‹ˆ‹ค. ๊ทธฆฌ๊ณ , expert™€ pairing•œ ‚ฌžŒ๊ณผ pairing„ •˜ 2๊ฐ€ ฉ‹ˆ‹ค. expertŠ” ‚ฌžŒ“ค˜ ExpertRating„ ‚ฎถ”Š” ‹œผกœ งง“๊ธฐ Šค€ง„ งžถฐ๊ฐ‘‹ˆ‹ค. ฌผก  ฒ˜Œ—Š” C,D,G,HŠ” •„  ˆ˜„ —†ฃ . Ÿ •ŒŠ” "Infinite"ผ๊ณ  •‹ˆ‹ค.

‹คŒ ‹จ๊ณ„—„œŠ” ˜ˆŒ€,

~cpp 
  A B C D
  G H E F

 ‡๊ฒŒ pairing„ •  ˆ˜ žˆ๊ฒ ฃ . —ญ‹œ •„๊นŒ™€ ™ผ•œ ƒœŠคฌฅผ ˆ˜–‰•‹ˆ‹ค. Œ€‹  € „ pairing—„œ –€ €‹„ ๊ธฐฐ˜œผกœ € ” ‚˜€ ”„กœ๊ทธžจ„ ƒˆกœ ž‘„ฑ•˜Š” ๊ฒ‹ˆ‹ค. ๊ฐž  „ ๊ฒฝ—˜ ‹ค€กœ(‹คฅธ ‚ฌžŒ๊ณผ งง“๊ธฐฅผ –ˆœผ€กœ) ‘˜ ˜‘ ฅ•˜ „œกœ ๊ฐ€ณ ฃผ๊ณ  ฐฐšฐ„œ ‹œ„ˆ€ šจ๊ณผฅผ ‚ผ ˆ˜„ žˆŠต‹ˆ‹ค.

—ฌ๊ธฐ„œŠ” ๊ฐ๊ฐ˜ ExpertRating€, C=2, D=2, E=1, F=1, G=1, H=1 ˜๊ฒ ฃ . (A,BŠ” ‹œ›source€กœ —ฌ „žˆ 0)

Ÿฐ ‹œผกœ ๊ฐ™€ ƒœŠคฌฅผ ง„ ฐ”๊ฟ”๊ฐ€ฉฐ ‘ „ธ ฒˆงŒ ฐ˜ณต•˜๊ฒŒ ˜, งค ฒˆ •  •Œ งˆ‹ค •„๊นŒ‹คŠ” € ” ‚˜€ ž‘—…„ •  ˆ˜ žˆ๊ฒŒ ˜๊ณ , "ฌธ œ ฐœ๊ฒฌ -> •๊ฒฐ"˜ •™Šต„ •˜๊ฒŒ ฉ‹ˆ‹ค. ‚˜œ ฝ”“œฅผ ๊ณ , ๊ฒŒ ข‹€ ฝ”“œกœ ฐ”€ŒŠ” ๊ทธ ๊ณผ •„ ง ‘ ๊ฒฝ—˜•˜Š” ๊ฒƒฃ .

--JuNe


„ˆ‚˜ ข‹€ ๊ธ€„ ฝ€ ๊ฒƒ ๊ฐ™Šต‹ˆ‹ค. „ ฐฐ‹˜ จฃผ‹  PairProgramming— ๊€•œ ๊ธ€„ ˆœ‹๊ฐ„— ฝ—ˆŠต‹ˆ‹ค ^^ Ÿฐ ฐฉ• Šค„ฐ””˜ ฐฉ•œผกœ žฆฌžกŠ”‹ค ˆž˜ ‹ค ฅ–ฅƒ— —„ฒญ‚œ „›€ ˜๊ฒ ๊ตฐš”


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