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240525_OSC_Nagoya_LEADING-QUALITYから考えるソフトウェア品質とビジネス価値/240525_OSC_Nagoya_Software_Quality_and_Business_Value_Based_on_LEADING_QUALITY

mkwrd
May 21, 2024
24

 240525_OSC_Nagoya_LEADING-QUALITYから考えるソフトウェア品質とビジネス価値/240525_OSC_Nagoya_Software_Quality_and_Business_Value_Based_on_LEADING_QUALITY

オープンソースカンファレンス2024Nagoyaで登壇した資料です。
書籍『LEADING QUALITY』をもとにソフトウェア品質とビジネス価値を考えます。
Written in Japanese

mkwrd

May 21, 2024
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  1. ʰLEADING QUALITYʱ͔Βߟ͑Δ ιϑτ΢ΣΞ඼࣭ͱϏδωεՁ஋ Masanori Kawarada, 2024-05-25, 45 min, OSC Nagoya

    @mkwrd ༏ΕͨϦʔμʔ͸ɺ͍͔ʹͯ͠ ߴ඼࣭ͷιϑτ΢ΣΞΛఏڙ͠ɺ੒௕ΛՃ଎ͤ͞Δ͔
  2. ࣗݾ঺հ @mkwrd ʻ৬ྺ֓ཁʼ SESاۀͷ։ൃΤϯδχΞͱͯ͠ΩϟϦΞΛ࢝Ίͯ 2ࣾ໨ͰQAΤϯδχΞʹస৬ɻιϑτ΢ΣΞ඼࣭΍ 
 ΞδϟΠϧ։ൃͷܦݧΛੵΈɺ3ࣾ໨͔Βࣄۀձࣾ΁ɻ ຊۀ͸גࣜձࣾάϩʔϏεͷQAνʔϜϢχοτϦʔυɻ ຋༁ॻʹʰLEADING QUALITYʱʢ2023ʣͳͲ͕͋Δɻ

    ʻֶྺʼ •άϩʔϏεܦӦେֶӃʢ2022೥ʣMBA •໌࣏େֶ੓࣏ܦࡁֶ෦ʢ2011೥ʣֶ࢜߸ ʻࢿ֨ʼ •ISTQB-ALTM 
 ʢςετϚωʔδϟʔʣ •Scrum.org PSM-I 
 ʢεΫϥϜϚελʔʣ •TOEIC L&R Score 880 ʻझຯʼ •ςχε •ΫϧϚ •΢ΠεΩʔ Տݪా੓యʢMasanori KawaradaʣMark Ward
  3. @mkwrd LEADING QUALITY • ஶɿRonald Cummings-John, Owais Peer • ༁ɿՏݪాɹ੓య

    • ൃߦɿגࣜձࣾυϫϯΰ • ฤूɿΞεΩʔυϫϯΰฤू෦ • ఆՁɿ2,860ԁ ʢຊମ2,600ԁʴ੫ʣ • ൃച೔ɿ2023೥11݄13೔ • ൑ܕɿA5൑ • ঎඼ܗଶɿ୯ߦຊ • ϖʔδ਺ɿ168 • ISBNɿ9784048931120 ॻࢽ৘ใ
  4. @mkwrd • ਪનͷݴ༿ɾ·͕͖͑ɾ༁ऀ·͕͖͑ɾংষ • ηΫγϣϯIɹ඼࣭ϦʔμʔʹͳΔʹ͸ - ୈ1ষ ඼࣭ͱ͸ͳʹ͔ - ୈ2ষ

    3ͭͷ඼࣭φϥςΟϒ - ୈ3ষ ඼࣭จԽৢ੒ • ηΫγϣϯIIɹઓུతʹ඼࣭ͷҙࢥܾఆΛԼ͢ - ୈ4ষ खಈςετͱࣗಈςετ - ୈ5ষ ϓϩμΫτͷ੒ख़౓ͱ඼࣭ - ୈ6ষ ܧଓతςετͱϑΟʔυόοΫϧʔϓ - ୈ7ষ ςετΠϯϑϥ΁ͷ౤ࢿ • ηΫγϣϯIIIɹ੒௕ΛՃ଎ͤ͞ΔνʔϜʹ͢Δ - ୈ8ষ νʔϜͱձࣾͷ੒௕ࢦඪ - ୈ9ষ ϩʔΧϧϖϧιφ - ୈ10ষ ඼࣭ઓུͷϦʔυ • ࢿྉूɾஶऀʹ͍ͭͯɾँࣙ……ͳͲ ΋͘͡
  5. @mkwrd ຊॻͷՁ஋ • ιϑτ΢ΣΞ඼࣭͸Ϗδωεͷ੒൱Λࠨӈ͢ΔܦӦ՝୊Ͱ͋Γɺ ςοΫͱϏδωεͷ֞ࠜΛ௒͑ͯऔΓ૊Ή΂͖ͱ׃ഁ • ʮ඼࣭ͷେ੾͞Λ͍͔ʹ૊৫ʹ޿Ίɺ඼࣭จԽΛৢ੒͢Δ͔ʯΛ 2೥൒ʹΘͨΓूΊͨࣄྫ΍ΠϯλϏϡʔΛݩʹղઆ • ٕज़ॻͱ͍͏ΑΓ΋ɺٕज़ྖҬʹޫΛ౰ͯͨϏδωεॻ

    ‣ ʮ໌֬ͳϏδϣϯ͕ͳͯ͘͸ɺͲΜͳઓུΛཱͯΑ͏ͱ΋ͷͷ໾ʹཱͨͳ͍ɻʯ ͜Ε·Ͱ೔ຊʹແ͔ͬͨλΠϓͷॻ੶Ͱ͢ ຋༁ऀ͕ͩ͜ΘͬͨϙΠϯτ • ຋༁͘͘͞ͳ͍ಡΈ΍͍͢จষ • ͔Ώ͍ͱ͜Ζʹख͕ಧ͘༁஫ • ͞ΒͳΔௐࠪɾݚڀʹ໾ཱͭ๛෋ͳࢀߟࢿྉʢ2 to 10ʣ
  6. @mkwrd ඼࣭ͱ͸Կ͔ɾɿ඼࣭Λఆٛͨ͠ͻͱͨͪ Philip B. Crosby, 1979 William E. Deming,1950 Gerald

    M. Weinberg,1994 James Martin, 1994 Joseph M. Juran, 1998 Robert L. Glass, 1998 Roger S. Pressman, 2005 ੴ઒֜ɾ1981 ङ໺ل໌ɾ1984 ൧௩ӻޭɾ2009 ISO 9000:2015 ISO/IEC 25000:2014 IEC 60300-1 Ed. 3.0:2014 JIS Z 8115:2019
  7. @mkwrd ඼࣭ͱ͸Կ͔ɾɿཧղ͠΍ͦ͢͏ͳ΍ͭ ඼࣭͸ɺ͋Δ࣌఺ͰɺͦΕ͕໰୊ͱͳΔ ୭͔ʹͱͬͯͷՁ஋Ͱ͋Δɻ Quality is value to some person,

    at some time, who matters. ϚΠέϧɾϘϧτϯ Michael Bolton * Revised the Words from Gerald Weinberg
  8. @mkwrd ඼࣭ͱ͸Կ͔ɾɿ4VCKFDUJWFͱ3FMBUJWF ඼࣭͸ओ؍తͳ΋ͷͰ͋Δɻ ͦͷ࣌఺ͰϓϩμΫτΛ࢖ͬ ͍ͯΔਓ͕ܾΊΔ΋ͷɻ Quality is subjective; it's determined

    by whoever is using the product at the time. ඼࣭͸૬ରతͳ΋ͷͰ͋Δɻ ࣌ؒͷܦաͱͱ΋ʹมԽ͢Δɻ Quality is relative; it changes over time.
  9. @mkwrd ΅͘ͷ໰୊ҙࣝ ςετ ඼࣭޲্ࢪࡦ ςετ͸඼࣭޲্ࢪࡦͷத֩ʂ Ͱ͸ɺ඼࣭͕ߴ͍ͱ w ސ٬ʹͱͬͯ w Ϗδωεʹͱͬͯ

    ͳʹ͕͏Ε͍͠ͷ͔ʁ ඼࣭Λ্͛ΔͨΊͷ औΓ૊Έ͸ ςετҎ֎ʹ΋͋Δ ඼࣭ͱϏδωεͷ ໨ઢ߹Θͤ͸ Ͳ͏΍Δͷ͔ʁ
  10. ܦӦͱݱ৔ͷ໨ࢦ͢΋ͷͷဃ཭ @mkwrd ܦӦ ݱ৔ ࢦඪ ࢦඪ ࢦඪ ࢦඪ νʔϜ νʔϜ

    νʔϜ νʔϜ ࢦඪ νʔϜ શࣾ໨ඪ ෦໳໨ඪ ෦໳໨ඪ ܦӦ͸݁Ռϕʔε ݱ৔͸࡞ۀϕʔε ܦӦͱݱ৔ͷҧ͍͸ࢹ఺ͷஔ͖ํ
  11. @mkwrd ܦӦ ݱ৔ ࢦඪ ࢦඪ νʔϜ νʔϜ શࣾ໨ඪ ෦໳໨ඪ ڏӫͷධՁࢦඪʢWBOJUZNFUSJDTʣ

    ੒Ռʹͭͳ が ͍ͬͯΔΑ͏ʹײ じ ΒΕΔ が ɺ ߦಈʹͭͳ が Γʹ͘͘ɺ ビジ ωεͷ੒ޭͱ΋ ૬ؔ͠ͳ͍਺஋ ͨͱ͑͹ w ݕग़όά਺ w ࣗಈςετ࣮ߦ࣌ؒ w ొ࿥Ϣʔβʔ਺ ͳͲͳͲ ܦӦ͸݁Ռϕʔε ݱ৔͸࡞ۀϕʔε ˞ηʔϧενʔϜͳͲ ɹ༗ӹͳࢦඪΛൺֱత ɹग़͠΍͍͢νʔϜ΋͋Δ ܦӦͱݱ৔ͷ໨ࢦ͢΋ͷͷဃ཭ ͜ͷࢦඪ͸ʮ࢖͑Δʯ͔ʁ ͜ΕΒͷ਺஋͕ྑ͘ͳΔͱ Կ͕͏Ε͍͔͠ʁ🤔 ΤϦοΫɾϦʔεʰϦʔϯɾελʔτΞοϓʱΑΓ
  12. @mkwrd ܦӦ ݱ৔ ࢦඪ ࢦඪ νʔϜ νʔϜ શࣾ໨ඪ ෦໳໨ඪ ڏӫͷධՁࢦඪʢWBOJUZNFUSJDTʣ

    ੒Ռʹͭͳ が ͍ͬͯΔΑ͏ʹײ じ ΒΕΔ が ɺ ߦಈʹͭͳ が Γʹ͘͘ɺ ビジ ωεͷ੒ޭͱ΋ ૬ؔ͠ͳ͍਺஋ νʔϜ͕ॏࢹ͢Δࢦඪ͸ ڏӫͷධՁࢦඪͰ͸ͳ͘ Ϗδωεͷ੒௕Λଅ͢΋ͷͰ ͋Δ΂͖ ܦӦ͸݁Ռϕʔε ݱ৔͸࡞ۀϕʔε ܦӦͱݱ৔ͷ໨ࢦ͢΋ͷͷဃ཭ ဃ཭ΛຒΊ࢝ΊΔͷ͸ݱ৔ଆ͔Β
  13. اۀͷ੒௕ࢦඪͰ໨ઢΛἧ͑Δ @mkwrd 2,000௨Ҏ্ͷϝοηʔ ジ Λૹ৴ͨ͠ސ٬νʔϜ਺ νʔϜ νʔϜ νʔϜ νʔϜ νʔϜ

    ど ͏͢Ε ば ΑΓଟ͘ͷސ٬νʔϜʹϝοηʔ ジ Λ 2,000 ௨ ΍ΓͱΓͯ͠΋Β͑Δ だ Ζ͏? ͦΕΛ્Ή඼࣭໰୊͸ͳΜ だ Ζ͏? ϏδωενϟοτπʔϧͷελʔτΞοϓSlackࣾͷࣄྫ
  14. @mkwrd 1. Ξςϯγϣϯϕʔεʢ஫໨ϕʔεʣ ‣ Ϣʔ ザ ʔ がど Ε だ

    ͚ͷ࣌ؒΛඅ΍͔ͨ͠ 2. τϥϯβΫγϣϯϕʔεʢऔҾϕʔεʣ ‣औҾ͕ͲΕ͚ͩ੒ཱ͔ͨ͠ 3. ϓϩμΫςΟϏςΟʔϕʔεʢੜ࢈ੑϕʔεʣ ‣ Ϣʔ ザ ʔͷ׆ಈʹج づ ͍ͯఆΊΔࢦඪ Amplitudeࣾͷࣔͨ͠3छྨͷ੒௕ࢦඪ
  15. @mkwrd ஫໨͢ べ ͖ࢦඪ͸΄͔ʹ΋͋Γɺ্ه͸Ұྫʹ͢ ぎ ͳ͍ɻ੒௕ࢦඪͷ ゴ ʔϧ͸ɺ΄͔ͷ͢ べ ͯͷࢦ

    ඪΛஔ͖׵͑Δ͜ͱ で ͸ͳ͍ɻ ʢதུʣ༏Εͨ੒௕ࢦඪ が ͋Ε ば ɺ͋ͳͨͱ͋ͳ ͨͷνʔϜ が ຊ౰ʹॏཁͳ΋ͷʹूத͠ɺ·ͨͦ ΕΛվળ͢Δ͜ͱ で ΄͔ͷෆՄܽͳࢦඪʹྑ͍Ө ڹΛ༩͑ΒΕΔ だ Ζ͏ɻ ͳͥ੒௕ࢦඪΛ׆༻͢Δ͔ΛݟࣦΘͳ͍Α͏ʹ
  16. @mkwrd 1. ੹೚φϥςΟϒʢThe Ownership Narrativeʣ 2. ςετφϥςΟϒʢThe "How-to-test" Narrativeʣ 3.

    Ձ஋φϥςΟϒʢThe Value Narrativeʣ ߏ଄ͱφϥςΟϒ͔Βߟ͑Δ඼࣭จԽৢ੒
  17. ςετφϥςΟϒͱ͸…… •඼࣭อূͷιϦϡʔγϣϯͷͻͱͭ •ͭ·ΓHowͱͯ͠ͷςετͷ࿩ •ϓϩμΫτ։ൃʹܞΘΔͻͱͷଟ͕͘ɺɹɹɹɹ ඼࣭ͱ͍͑͹ςετͩͱߟ͍͑ͯΔ ςετ が اۀ׆ಈʹ͓͚Δॏཁ౓Λ૿͍ͯ͘͠ʹͭ Εͯɺ඼࣭ プ

    ϩϑΣογϣφϧʹٻΊΒΕΔ໾ׂ΍ ཁٻ͞ΕΔεΩϧ΋มΘ͖ͬͯͨɻ্खʹςετ が で ͖Δ だ ͚ で ͸΋͸΍े෼ で ͸ͳ͍ɻςετର৅ͷ ػೳ͔Βநग़ͨ͠ ビジ ωεʹ໾ཱͭಎ࡯Λཧ࿏੔વ ͱදݱ͠ɺෳ਺ͷνʔϜʹ·ͨ が ͬͨมԽΛओಋ͢ ΔೳྗΛൃش͢Δ͜ͱ が ٻΊΒΕ͍ͯΔɻ @mkwrd ʰLEADING QUALITYʱP.xiv ͚ΕͲ΋ʜʜ
  18. @mkwrd 1. ੹೚φϥςΟϒʢThe Ownership Narrativeʣ 2. ςετφϥςΟϒʢThe "How-to-test" Narrativeʣ 3.

    Ձ஋φϥςΟϒʢThe Value Narrativeʣ ߏ଄ͱφϥςΟϒ͔Βߟ͑Δ඼࣭จԽৢ੒
  19. ඼࣭จԽ ඼࣭จԽৢ੒ͷαΠΫϧ ૊৫จԽ ૊৫ઓུ ඼࣭ઓུ ੹೚φϥςΟϒ ςετφϥςΟϒ Ձ஋φϥςΟϒ ͲΜͳՁ஋Λ ΋ͨΒͨ͠Β

    ͏Ε͍͔͠ʁ ্ҐจԽͷ 
 มԽ͕Өڹ ͞ΒͳΔ ݕ౼ɾཱҊ ͓Αͼਪਐ ͞ΒͳΔ ݕ౼ɾཱҊ ͓Αͼਪਐ Ձ஋Λ΋ͨΒ͢ઓུΛ 
 ࣮ݱ͢ΔจԽ͸ʁ Ձ஋Λ΋ͨΒ͢ઓུΛ 
 ࣮ݱ͢ΔจԽ͸ʁ ઓུ࣮ݱʹ 
 ޲͚ͨจԽͷ 
 ৢ੒ ઓུ࣮ݱʹ 
 ޲͚ͨจԽͷ 
 ৢ੒ ͲΜͳՁ஋Λ ΋ͨΒ͢Α͏ ඼࣭ઓུΛඳ͔͘ʁ ΑΜͰͶˠ @mkwrd from Markin' Quality ྑ͍͜ͱ͚ͩࣔ͢ਤ͚ͩΕͲ 
 ઓུʹ൓ൃͯ͠จԽ͕ؤͳʹ 
 ಈ͔ͳ͍͜ͱ΋͋Δ͔΋Ͷɻ
  20. ʰLEADING QUALITYʱ͔Βߟ͑Δ ιϑτ΢ΣΞ඼࣭ͱϏδωεՁ஋ Masanori Kawarada, 2024-05-25, 45 min, OSC Nagoya

    @mkwrd ༏ΕͨϦʔμʔ͸ɺ͍͔ʹͯ͠ ߴ඼࣭ͷιϑτ΢ΣΞΛఏڙ͠ɺ੒௕ΛՃ଎ͤ͞Δ͔