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Pair Programming For Group Study

„ ํ›„ฐฐฆฌ „œกœ „‚˜ ํ•  •Œ ˆ™ œ ‚ดณ  €‚ฌํ•˜Š” ‹˜ ‹จ„  ธ ฒƒ งณ  € ”   ธ ณต€€   ˆ˜ žˆŠ” ฐฉฒ•„ †Œฐœํ•ฉ‹ˆ‹ค. •„ งง€ ‹œ„ •ˆ— งŽ€ –‘˜ ํ•™Šต(—ฌธฐ„œ ํ•™Šต„ ํ–ˆ‹คณ  ํ•˜Š” ฒƒ€ ญ”€ ํ•  ˆ˜ žˆŠ” Šฅ ฅด ƒ‹คŠ” ฒƒ)„ ํ•  ˆ˜ žˆŠต‹ˆ‹ค.


PairProgrammingดž€ ExtremeProgrammingดณ  ํ•˜Š” ƒˆกœšด †Œํ”„ํŠธ›จ–ด ฐœฐœ ฐฉฒ•ก ˜ ํ•œ€€ ธฐฒ•œกœ, ‘ช…ด ํ•œ ปดํ“จํ„ ดšฉํ•ด„œ ฐ™ด ํ”„กœทธž˜ฐ„ ํ•˜Š” ฒƒ„ งํ•ฉ‹ˆ‹ค.

ฒฌ—Š” ธ ฅ(Man*hour)˜ ‚ญ„ ฒƒ ฐ™€งŒ, ด œŒ€˜ ‹คฆ  —ฐตฌกœŠ” "” งง€ ‹œ„ ‚ด—" "” ‚˜€ ฝ”“œ (—Ÿฌ€  €)" งŒ“ค–ด ‚ ˆ˜ žˆ—ˆŠต‹ˆ‹ค.

 €Š” —ฌธฐ„œ PairProgramming˜ ตœก  ํšจ™€ ด ทธ Šคํ„””‚˜ ํ”„กœ ํŠธ ํŒ€ ตœก— ‘šฉํ•˜Š” ฐฉฒ•„ „žตํžˆ „œˆ ํ•˜ฒ Šต‹ˆ‹ค.

€‹€ฆฌ˜ „„  ํ•™ž …ธ‚˜ดฟ €กœ ตˆ˜Š” €‹— ํ˜•‹€™€ •”ฌต€€ žˆ‹คณ  ํ•ฉ‹ˆ‹ค. ํ˜•‹€Š” ฌธ„œํ™”, ทœ™ํ™”, ˆ˜‹ํ™”œ €‹„ งํ•˜ณ , •”ฌต€Š” ทธ ‡€ ชปํ•œ ฒƒ“ค„ งํ•ฉ‹ˆ‹ค. ทธŸฐฐ, –ด–ค  „ฌธ€€ €„ €‹ดŠ” ฒƒ€ ˜ Œ€€„ด •”ฌต€ž…‹ˆ‹ค. ด œŒ€Š” ํ˜•‹€˜  „‹ฌ—งŒ ‹ ฒฝ„ Ÿ•˜€ •”ฌต€Š” „ €‹ฌ„ ฐ›€ ชปํ–ˆณ , ตœก ชจธ—„œ„ ค‘š”ํ•˜ฒŒ ‹ค„€€ ชปํ–ˆŠต‹ˆ‹ค. (•„— œ ช…ํ•œ ธ„ฌธํ™”žฌ˜ Œ€€ ŠธฐŠ” ด ˆฒˆํ–ˆฃ .)

ทธŸฐฐ ดŸฐ •”ฌต€Š”  „ฌธ€™€ ํ•™ƒด ฐ™€ ณต„„  œ ํ•˜ฉฐ ํ•จป˜ ํ•˜ณ  ƒํ™œํ•˜Š” †—„œ €žฅ ํšจ œกœ ํ•™Šตฉ‹ˆ‹ค. „ œ‹ ˆ˜—…(apprenticeship)„ ปซŠ” ฒƒดฃ .

ธฐกด˜ ˜›… ธ ํ”„กœทธž˜จธ“ค˜ ํ™” “ค–ดณดฉด ž‹ “คด „•ฝ ธ ฐœ „„ ํ–ˆ˜ ‹œธฐŠ” Œ€€„ "ํ›Œฅญํ•œ ํ”„กœทธž˜จธ"™€ ํ•จป˜ „ ํ•  ˆ˜ žˆ—ˆ˜ •Œณ  ž…„ ชจ‹ˆ‹ค.

ด ฐฉ‹„ †Œํ”„ํŠธ›จ–ด ฐœฐœ —…ฒด—„œ  šฉํ•œ ฒƒ€ Apprenticeship in a Software StudioŠ” ฌธ„œ— ž˜ ‚˜™€ žˆŠต‹ˆ‹ค. http://www.rolemodelsoft.com/papers/ApprenticeshipInASoftwareStudio.htm (ฝ–ดณดธฐ ถŒํ•ฉ‹ˆ‹ค. „‚ฌ ํ”„กœทธž˜ฐŠ” € จ—†Š” ‚ฌžŒ€„)

—ฌธฐ„œŠ” ‹จธฐ„— ดŸฐ PairProgramming„ ํ†ตํ•ด„œ ํŒ€ ‚ด— €‹ด ํ™•‚ฐ˜ฒŒ ํ•˜‚˜, ทธ Šคํ„””— ดšฉํ•  ˆ˜ žˆŠ” ฐฉฒ•„ ณด„ก ํ•˜ฃ .

šฐฆฌ ํ›„ฐฐ“คด ํ•˜“ ฐœธ„ ˆ™ œ ‚ดณ  ด €‚ฌํ•˜Š” ฒƒ„ ข‹€งŒ ดŸฌฉด ํšจ ธ ํ•™Šตด ž˜ ด„€€ •ŠŠต‹ˆ‹ค. ฐ™€ ณต„—„œ ํ•จป˜ ณต€ํ•  —ฌœ € žˆ‹คฉด ดŸฐ ฐœ„ ํ•™Šตณด‹ค ณต™ ํ•™Šตด ” ํšจ ž…‹ˆ‹ค.

˜ˆ “ค–ด, A, B, C, D, E, F, G, HŠ” —ฌŸ ช…ด ํ•œ ํŒ€„ ดฃฌ‹คณ  € •ํ•ฉ‹œ‹ค. —ฌธฐ„œ, A™€ B€  „ฌธ€ดณ  ‚˜จธ€Š” „ˆ™ จžณ  ํ•˜ฃ .

ฒ˜Œ— ง„ ดŸฐ ‹œกœ ง“Šต‹ˆ‹ค.

~cpp 
  A B C D
  E F G H

ด ‡ฒŒ ˜ฉด E™€ FŠ”  „ฌธ€ธ A™€ B™€ ง ‘ PairProgramming„ ํ•˜ณ  ‚˜จธ€ „ช…€ žธฐ“คฆฌ PairProgramming„ ํ•˜ฒŒ ˜ฃ . ฒ˜Œ pairing—„œ C™€ G, D™€ HŠ” ํƒœŠคํฌ ™„ˆ˜ํ•ด€ ชปํ•ด„ ดœฐฎŠต‹ˆ‹ค -- Œ€‹  ฌธ œ ˜—ญ„ ํƒƒ‰ํ•˜Š” ™•ˆ –ดŠ  •„˜ ํ•™Šต€ ฐœƒํ•˜“ š”.

ด ƒํƒœ—„œŠ” A™€ BŠ” ExpertRatingด 0ดณ , E™€ FŠ” 1ด ฉ‹ˆ‹ค. ด ฐœ…€ ErdosŠ” ˆ˜ํ•™ž€ งŒ“  ฒƒธฐ, Expert ž‹ € 0ด ˜ณ , ทธ ‚ฌžŒ ํ•œฒˆด„ pairing„ ํ–ˆœฉด 1ด ฉ‹ˆ‹ค. ทธฆฌณ , expert™€ pairingํ•œ ‚ฌžŒ pairing„ ํ•˜ฉด 2€ ฉ‹ˆ‹ค. expertŠ” ‚ฌžŒ“ค˜ ExpertRating„ ‚ฎถ”Š” ‹œกœ งง“ธฐ Šค€ฅดง„ งžถฐฐ‘‹ˆ‹ค. ก  ฒ˜Œ—Š” C,D,G,HŠ” •„ฌด  ˆ˜„ —†ฃ . ดŸด •ŒŠ” "Infinite"ดณ  ํ•ฉ‹ˆ‹ค.

‹คŒ ‹จ„—„œŠ” ˜ˆปจŒ€,

~cpp 
  A B C D
  G H E F

ด ‡ฒŒ pairing„ ํ•  ˆ˜ žˆฒ ฃ . —ญ‹œ •„Œ™€ ™ํ•œ ํƒœŠคํฌ ˆ˜ํ–‰ํ•ฉ‹ˆ‹ค. Œ€‹  € „ pairing—„œ –ป€ €‹„ ธฐฐ˜œกœ € ” ‚˜€ ํ”„กœทธžจ„ ƒˆกœ ž‘„ํ•˜Š” ฒ‹ˆ‹ค. ฐž ด „ ฒฝํ—˜ด ‹คฅด€กœ(‹คฅธ ‚ฌžŒ งง“ธฐ ํ–ˆœ€กœ) ‘˜ด ํ˜‘ ฅํ•˜ฉด „œกœ €ฅดณ ณ  ฐฐšฐฉด„œ ‹œ„ˆ€ ํšจ ‚ ˆ˜„ žˆŠต‹ˆ‹ค.

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

ดŸฐ ‹œกœ ฐ™€ ํƒœŠคํฌ ง„ ฐ”ฟ”€ฉฐ ‘ „ฒˆงŒ ฐ˜ณตํ•˜ฒŒ ˜ฉด, งค ฒˆ ํ•  •Œ งˆ‹ค •„Œณด‹คŠ” € ” ‚˜€ ž‘—…„ ํ•  ˆ˜ žˆฒŒ ˜ณ , "ฌธ œ ฐœฒฌ -> ํ•ดฒฐ"˜ ํ•™Šต„ ํ•˜ฒŒ ฉ‹ˆ‹ค. ‚˜œ ฝ”“œ ณดณ , ดฒŒ ข‹€ ฝ”“œกœ ฐ”€ŒŠ” ทธ  •„ ง ‘ ฒฝํ—˜ํ•˜Š” ฒƒดฃ .

--JuNe


„ˆฌด‚˜ ข‹€ €„ ฝ€ ฒƒ ฐ™Šต‹ˆ‹ค. „ ฐฐ‹˜ด จ‹  PairProgramming— €ํ•œ €„ ˆœ‹„— ฝ—ˆŠต‹ˆ‹ค ^^ ดŸฐ ฐฉฒ•ด Šคํ„””˜ ฐฉฒ•œกœ žฆฌžกŠ”‹คฉด ดˆณดž˜ ‹ค ฅํ–ฅƒ— —„ฒญ‚œ „›€ด ˜ฒ ตฐš”


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