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240127_OSC_Osaka_LEADING-QUALITYから考えるソフトウェア品質とビ...
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mkwrd
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January 27, 2024
Business
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340
240127_OSC_Osaka_LEADING-QUALITYから考えるソフトウェア品質とビジネス価値 /240127_OSC_Osaka_Software_Quality_and_Business_Value_Based_on_LEADING_QUALITY
オープンソースカンファレンス2024Osaka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
PRO
January 27, 2024
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Transcript
ʰLEADING QUALITYʱ͔Βߟ͑Δ ιϑτΣΞ࣭ͱϏδωεՁ Masanori Kawarada, 2024-01-27, 45 min @mkwrd ༏ΕͨϦʔμʔɺ͍͔ʹͯ͠
ߴ࣭ͷιϑτΣΞΛఏڙ͠ɺΛՃͤ͞Δ͔
ʮ࣭Ͱ͔͢ʁɹͦ͏Ͱ͢Ͷ͐ɺ͏ͪςετ……ʯ ͱ͍͏ํʹ͚͓ͨ͠ΌΓͰ͢ɻ ςετΛ͔ͬ͠ΓΔاۀͰಇ͍͍ͯΔํ ςετʹ࣌ؒΛׂ͔ͳ͍اۀͰಇ͍͍ͯΔํ ࣭ͬͯςετͱ͔ඇػೳͷͰ͠ΐͱࢥ͏ํ Έͳ͞·ɺͥͻཱ͓ͪدΓ͍ͩ͘͞ɻ ͜ͷ͓͠ΌΓͷରͷํ @mkwrd
ࣗݾհ @mkwrd ʻ৬ྺ֓ཁʼ SESاۀͷ։ൃΤϯδχΞͱͯ͠ΩϟϦΞΛ࢝Ίͯ 2ࣾͰQAΤϯδχΞʹస৬ɻιϑτΣΞ࣭ ΞδϟΠϧ։ൃͷܦݧΛੵΈɺ3͔ࣾΒࣄۀձࣾɻ ຊۀגࣜձࣾάϩʔϏεͷQAνʔϜϢχοτϦʔυɻ ༁ॻʹʰLEADING QUALITYʱʢ2023ʣͳͲ͕͋Δɻ
ʻֶྺʼ •άϩʔϏεܦӦେֶӃʢ2022ʣMBA •໌࣏େֶ࣏ܦࡁֶ෦ʢ2011ʣֶ࢜߸ ʻࢿ֨ʼ •ISTQB-ALTM ʢςετϚωʔδϟʔʣ •Scrum.org PSM-I ʢεΫϥϜϚελʔʣ •TOEIC L&R Score 880 ʻझຯʼ •ςχε •ΫϧϚ •ΠεΩʔ ՏݪాయʢMasanori KawaradaʣMark Ward
༁ॻ੶ʰLEADING QUALITYʱΛ ग़൛͠·ͨ͠ɻ ͲΕ͚ͩͩ͜Θͬͯ༁͔ͨ͠Λॻ͍ͨ ͪ͜ΒͷQiitaهࣄͲ͏ͧɻ https://qiita.com/mkwrd/items/ 6f9cad04cd21bb20780a ͍ͩͿۤ࿑͠·ͨ͠ɻ @mkwrd
@mkwrd LEADING QUALITY • ஶɿRonald Cummings-John, Owais Peer • ༁ɿՏݪాɹయ
• ൃߦɿגࣜձࣾυϫϯΰ • ฤूɿΞεΩʔυϫϯΰฤू෦ • ఆՁɿ2,860ԁ ʢຊମ2,600ԁʴ੫ʣ • ൃചɿ202311݄13 • ܕɿA5 • ܗଶɿ୯ߦຊ • ϖʔδɿ168 • ISBNɿ9784048931120 ॻࢽใ
@mkwrd • ਪનͷݴ༿ɾ·͕͖͑ɾ༁ऀ·͕͖͑ɾংষ • ηΫγϣϯIɹ࣭ϦʔμʔʹͳΔʹ - ୈ1ষ ࣭ͱͳʹ͔ - ୈ2ষ
3ͭͷ࣭φϥςΟϒ - ୈ3ষ ࣭จԽৢ • ηΫγϣϯIIɹઓུతʹ࣭ͷҙࢥܾఆΛԼ͢ - ୈ4ষ खಈςετͱࣗಈςετ - ୈ5ষ ϓϩμΫτͷख़ͱ࣭ - ୈ6ষ ܧଓతςετͱϑΟʔυόοΫϧʔϓ - ୈ7ষ ςετΠϯϑϥͷࢿ • ηΫγϣϯIIIɹΛՃͤ͞ΔνʔϜʹ͢Δ - ୈ8ষ νʔϜͱձࣾͷࢦඪ - ୈ9ষ ϩʔΧϧϖϧιφ - ୈ10ষ ࣭ઓུͷϦʔυ • ࢿྉूɾஶऀʹ͍ͭͯɾँࣙ……ͳͲ ͘͡
@mkwrd ൃച2ޙʹϕετηϥʔ1ҐʢιϑτΣΞ։ൃɾݴޠʣ
@mkwrd SNSͰͷઈࢍͷʢ͋Γ͕ͱ͏͍͟͝·͢ʂʣ
@mkwrd ຊॻͷՁ • ιϑτΣΞ࣭Ϗδωεͷ൱Λࠨӈ͢ΔܦӦ՝Ͱ͋Γɺ ςοΫͱϏδωεͷ֞ࠜΛ͑ͯऔΓΉ͖ͱ׃ഁ • ʮ࣭ͷେ͞Λ͍͔ʹ৫ʹΊɺ࣭จԽΛৢ͢Δ͔ʯΛ 2ʹΘͨΓूΊͨࣄྫΠϯλϏϡʔΛݩʹղઆ • ٕज़ॻͱ͍͏ΑΓɺٕज़ྖҬʹޫΛͯͨϏδωεॻ
‣ ʮ໌֬ͳϏδϣϯ͕ͳͯ͘ɺͲΜͳઓུΛཱͯΑ͏ͱͷͷʹཱͨͳ͍ɻʯ ͜Ε·Ͱຊʹແ͔ͬͨλΠϓͷॻ੶Ͱ͢ ༁ऀ͕ͩ͜ΘͬͨϙΠϯτ • ༁͘͘͞ͳ͍ಡΈ͍͢จষ • ͔Ώ͍ͱ͜Ζʹख͕ಧ͘༁ • ͞ΒͳΔௐࠪɾݚڀʹཱͭ๛ͳࢀߟࢿྉʢ2 to 10ʣ
ιϑτΣΞ࣭ܦӦ՝Ͱ͢ɻ ʮ࣭େࣄͩʯͱ୭͕ݴ͏தͰ ࣭ͦͦͱͳΜͳͷ͔ ୭͕Ͳ͏औΓΜͰ͍͘ͷ͔ ୭͕Ͳ͏ࣾΛר͖ࠐΜͰ͍͘ͷ͔ ୭͕Ͳ͏৫ͱࣄۀͷʹͭͳ͍͛ͯ͘ͷ͔ ͦͯ͠ϦʔμʔʹԿ͕ٻΊΒΕΔͷ͔ ʜʜͳͲ͕ޠΒΕ͍ͯ·͢ɻ Ӭ͘ಡ·ΕΔॻ੶ʹͳΕͱࢥ͍·͢ɻ ΑΖ͓͘͠ئ͍͠·͢ʂ
@mkwrd
@mkwrd 1. ͳͥɺࠓιϑτΣΞ࣭ͳͷ͔ 2. ϏδωεՁͱاۀͷࢦඪ 3. ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ ຊͷτϐοΫ
@mkwrd 1. ͳͥɺࠓιϑτΣΞ࣭ͳͷ͔ 2. ϏδωεՁͱاۀͷࢦඪ 3. ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ ୈ1ষ
@mkwrd ࣭ͱԿ͔ɾɿ࣭Λఆٛͨ͠ͻͱͨͪ 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 ੴ֜ɾ1981 ङل໌ɾ1984 ൧௩ӻޭɾ2009 ISO 9000:2015 ISO/IEC 25000:2014 IEC 60300-1 Ed. 3.0:2014 JIS Z 8115:2019
@mkwrd ࣭ͱԿ͔ɾɿཧղͦ͢͠͏ͳͭ ࣭ɺ͋Δ࣌ͰɺͦΕ͕ͱͳΔ ୭͔ʹͱͬͯͷՁͰ͋Δɻ Quality is value to some person,
at some time, who matters. ϚΠέϧɾϘϧτϯ Michael Bolton * Revised the Words from Gerald Weinberg
@mkwrd ࣭ͱԿ͔ɾɿ4VCKFDUJWFͱ3FMBUJWF ࣭ओ؍తͳͷͰ͋Δɻ ͦͷ࣌ͰϓϩμΫτΛͬ ͍ͯΔਓ͕ܾΊΔͷɻ Quality is subjective; it's determined
by whoever is using the product at the time. ࣭૬ରతͳͷͰ͋Δɻ ࣌ؒͷܦաͱͱʹมԽ͢Δɻ Quality is relative; it changes over time.
@mkwrd ݱͷϏδωεڥΛগ͠ߟ͑ͯΈΔ ϒϧʔΦʔγϟϯ ϨουΦʔγϟϯ
@mkwrd ੈͷதʹͳ͍ϓϩμΫτΛϩʔϯνͨ͠ʂ ϒϧʔΦʔγϟϯ
@mkwrd ॱௐʹ͍ͯ͠Δʂ ϒϧʔΦʔγϟϯ
@mkwrd ϥΠόϧاۀ͕ݱΕͨʂ ϒϧʔΦʔγϟϯ
@mkwrd ͋Εɺ΄΅ಉ͡ػೳɺՁ֨গ͍҆ͧ͠ʁ ϒϧʔΦʔγϟϯʁ େखاۀͷϥΠόϧಉ͡*%Ͱ͑Δͧʁ
@mkwrd Ͱϋʔυͳڝ૪ڥʹͳͬͯ͠·ͬͨʂ ϨουΦʔγϟϯ ➡ٕज़తɾαʔϏεతʹ ɹ͙͢ΕͨઌۦऀͰ ɹ҆ॅͰ͖ͳ͍ੈքͰ ɹ͜ͷઌੜ͖ͷ͜Δʹʁ w ࢢʹʑͷྨࣅ w
ސ٬͍ͭͰΓସ͑Մೳ w ͍ʹ͚͘ΕΞϯΠϯετʔϧ
@mkwrd ͓ؾ͖ͮͰ͠ΐ͏͔ 全然テストの話をしていないことに……。 ͦ͏ɺ͍ͯ͠ͳ͍ͷͰ͢……ɻ
@mkwrd ΅͘ͷҙࣝ ςετ ্࣭ࢪࡦ ςετ্࣭ࢪࡦͷத֩ʂ Ͱɺ࣭͕ߴ͍ͱ w ސ٬ʹͱͬͯ w Ϗδωεʹͱͬͯ
ͳʹ͕͏Ε͍͠ͷ͔ʁ ࣭Λ্͛ΔͨΊͷ औΓΈ ςετҎ֎ʹ͋Δ ࣭ͱϏδωεͷ ઢ߹Θͤ Ͳ͏Δͷ͔ʁ
@mkwrd 1. ͳͥɺࠓιϑτΣΞ࣭ͳͷ͔ 2. ϏδωεՁͱاۀͷࢦඪ 3. ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ ୈ2ষ
ܦӦͱݱͷࢦ͢ͷͷဃ @mkwrd ܦӦ ݱ ࢦඪ ࢦඪ ࢦඪ ࢦඪ νʔϜ νʔϜ
νʔϜ νʔϜ ࢦඪ νʔϜ શࣾඪ ෦ඪ ෦ඪ ܦӦ݁Ռϕʔε ݱ࡞ۀϕʔε ܦӦͱݱͷҧ͍ࢹͷஔ͖ํ
@mkwrd ܦӦ ݱ ࢦඪ ࢦඪ νʔϜ νʔϜ શࣾඪ ෦ඪ ڏӫͷධՁࢦඪʢWBOJUZNFUSJDTʣ
Ռʹͭͳ が ͍ͬͯΔΑ͏ʹײ じ ΒΕΔ が ɺ ߦಈʹͭͳ が Γʹ͘͘ɺ ビジ ωεͷޭͱ ૬ؔ͠ͳ͍ ͨͱ͑ w ݕग़όά w ࣗಈςετ࣮ߦ࣌ؒ w ొϢʔβʔ ͳͲͳͲ ܦӦ݁Ռϕʔε ݱ࡞ۀϕʔε ˞ηʔϧενʔϜͳͲ ɹ༗ӹͳࢦඪΛൺֱత ɹग़͍͢͠νʔϜ͋Δ ܦӦͱݱͷࢦ͢ͷͷဃ ͜ͷࢦඪʮ͑Δʯ͔ʁ ͜ΕΒͷ͕ྑ͘ͳΔͱ Կ͕͏Ε͍͔͠ʁ🤔 ΤϦοΫɾϦʔεʰϦʔϯɾελʔτΞοϓʱΑΓ
@mkwrd ܦӦ ݱ ࢦඪ ࢦඪ νʔϜ νʔϜ શࣾඪ ෦ඪ ڏӫͷධՁࢦඪʢWBOJUZNFUSJDTʣ
Ռʹͭͳ が ͍ͬͯΔΑ͏ʹײ じ ΒΕΔ が ɺ ߦಈʹͭͳ が Γʹ͘͘ɺ ビジ ωεͷޭͱ ૬ؔ͠ͳ͍ νʔϜ͕ॏࢹ͢Δࢦඪ ڏӫͷධՁࢦඪͰͳ͘ ϏδωεͷΛଅ͢ͷͰ ͋Δ͖ ܦӦ݁Ռϕʔε ݱ࡞ۀϕʔε ܦӦͱݱͷࢦ͢ͷͷဃ ဃΛຒΊ࢝ΊΔͷݱଆ͔Β
اۀͷࢦඪͰઢΛἧ͑Δ @mkwrd 2,000௨Ҏ্ͷϝοηʔ ジ Λૹ৴ͨ͠ސ٬νʔϜ νʔϜ νʔϜ νʔϜ νʔϜ νʔϜ
ど ͏͢Ε ば ΑΓଟ͘ͷސ٬νʔϜʹϝοηʔ ジ Λ 2,000 ௨ ΓͱΓͯ͠Β͑Δ だ Ζ͏? ͦΕΛ્Ή࣭ͳΜ だ Ζ͏? ϏδωενϟοτπʔϧͷελʔτΞοϓSlackࣾͷࣄྫ
@mkwrd 1. Ξςϯγϣϯϕʔεʢϕʔεʣ ‣ Ϣʔ ザ ʔ がど Ε だ
͚ͷ࣌ؒΛඅ͔ͨ͠ 2. τϥϯβΫγϣϯϕʔεʢऔҾϕʔεʣ ‣औҾ͕ͲΕཱ͚͔ͩͨ͠ 3. ϓϩμΫςΟϏςΟʔϕʔεʢੜ࢈ੑϕʔεʣ ‣ Ϣʔ ザ ʔͷ׆ಈʹج づ ͍ͯఆΊΔࢦඪ Amplitudeࣾͷࣔͨ͠3छྨͷࢦඪ
@mkwrd ͢ べ ͖ࢦඪ΄͔ʹ͋Γɺ্هҰྫʹ͢ ぎ ͳ͍ɻࢦඪͷ ゴ ʔϧɺ΄͔ͷ͢ べ ͯͷࢦ
ඪΛஔ͖͑Δ͜ͱ で ͳ͍ɻ ʢதུʣ༏Εͨࢦඪ が ͋Ε ば ɺ͋ͳͨͱ͋ͳ ͨͷνʔϜ が ຊʹॏཁͳͷʹूத͠ɺ·ͨͦ ΕΛվળ͢Δ͜ͱ で ΄͔ͷෆՄܽͳࢦඪʹྑ͍Ө ڹΛ༩͑ΒΕΔ だ Ζ͏ɻ ͳͥࢦඪΛ׆༻͢Δ͔ΛݟࣦΘͳ͍Α͏ʹ
@mkwrd 1. ͳͥɺࠓιϑτΣΞ࣭ͳͷ͔ 2. ϏδωεՁͱاۀͷࢦඪ 3. ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ ୈ3ষ
࣭จԽΛ࣭ͱจԽʹ͚ͯଊ͑Δ @mkwrd ʮ࣭จԽࢼʯͰͬͨΞϓϩʔν
࣭จԽΛ࣭ͱจԽʹ͚ͯଊ͑Δ @mkwrd ओମ͕͋Δͣʁ ʮ࣭จԽࢼʯͰͬͨΞϓϩʔν
Ͳͷ୯Ґͷ࣭จԽΛ͍͔ٞͨ͠ʁ @mkwrd ࠃՈʁ ຽʁ Ոʁ اۀʁ ৫ʁ ֶߍʁ ෦׆ಈʁ ํ࣏ࣗମʁ
αʔΫϧʁ ࣗʁ ʮͳΜͷ࣭จԽ͔ʯΛܾΊΔ
Ͳͷ୯Ґͷ࣭จԽΛ͍͔ٞͨ͠ʁ @mkwrd ˠ࣭จԽԿ͔ʹͻ͍ͮͯଘࡏ͢Δ ʮ࣭จԽʯ୯ମͰଘࡏ͠ಘͳ͍
࣭จԽ ৫จԽ࣭จԽΛ แؚ͠ɺӨڹΛ༩͑Δ ࣭จԽͱ৫จԽͷ֊ߏ ৫จԽ ࣭จԽ͕৫จԽΛ ม͑Δ͜ͱ͍͠ @mkwrd
จԽ ઓུ ઓུΛ࣮ݱ͢ΔͨΊʹ ৫จԽΛҭΉ จԽઓུΛ༰қʹ ࣮ߦෆೳʹͰ͖Δ จԽͱઓུ৫ͷ྆ྠ @mkwrd
࣭จԽ ࣭จԽͷྠֲ ৫จԽ ৫ઓུ ࣭ઓུ ม͑Δͷ ͍͠ ํʹٯΒ͑ͳ͍ Өڹྗ
࣋ͯͦ͏ʁ @mkwrd
จԽͱ͍͏ͷ͕ՁΛ࣋ͭͷ ͦΕ͕ަͰ͖ͳ͍͔ΒͰ͋Δɻ @mkwrd https://bangumi.ouj.ac.jp/v4/bslife/detail/01FA3007.html μχΤϧɾJɾϒʔΞεςΟϯ Daniel Joseph Boorstin
จԽͱ͍͏ͷ͕ՁΛ࣋ͭͷ ͦΕ͕ަͰ͖ͳ͍͔ΒͰ͋Δɻ @mkwrd μχΤϧɾJɾϒʔΞεςΟϯ Daniel Joseph Boorstin ࣍ͷͷ͔͚͠ ͔֬ʹͦ͜ʹ͋Δͣͳͷʹɺʹݟ͑ͳ͍
@mkwrd จԽͱφϥςΟϒ จԽ৫ͷҰਓͻͱΓ͕ߟ͑ͨΓɹɹ ޠͬͨΓ͢Δ͜ͱΛϕʔεʹɺɹɹɹɹ ͦͷ݁Ռى͜͢ߦಈͷू߹ମͰ͋Δɻ ཱΛΘͣɺ୭͕ͦͷ৫ͷจԽΛ ͍॓ͯ͠Δɻ φϥςΟϒ narrative ৫ʹଐ͢Δɹ
ҰਓͻͱΓ͕ߟ͑ͨΓޠͬͨΓ͍ͯ͠Δ ͜ͱͰ͋Δɻ φϥςΟϒʹҰਓͻͱΓͷܦݧ͕ө ͞Ε͍ͯΔ ৫ ࣭ จԽ ࣭ ࣭
@mkwrd ͱ͋ΔաڈΠϕϯτͷࢿྉΛഈआ ࣭ ࣭ φϥςΟϒΛݟΔ จԽ͕ݟ͑Δ
@mkwrd 1. φϥςΟϒʢThe Ownership Narrativeʣ 2. ςετφϥςΟϒʢThe "How-to-test" Narrativeʣ 3.
ՁφϥςΟϒʢThe Value Narrativeʣ ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ
@mkwrd φϥςΟϒͱ…… •୭͕࣭ʹӨڹΛ༩͑Δ͔ •৫ͰͲͷΑ͏ʹίϛϡχέʔγϣϯ͢Δ͔ •۩ମతʹͲͷΑ͏ͳׂΛ୲͍ͬͯΔ͔ •νʔϜؒͷ૬ޓ࡞༻͕ͲΕ΄Ͳػೳ͍ͯ͠Δ͔ φϥςΟϒʢThe Ownership Narrativeʣ
@mkwrd ςετφϥςΟϒͱ…… •࣭อূͷιϦϡʔγϣϯͷͻͱͭ •ͭ·ΓHowͱͯ͠ͷςετͷ •ϓϩμΫτ։ൃʹܞΘΔͻͱͷଟ͕͘ɺɹɹɹɹ ࣭ͱ͍͑ςετͩͱߟ͍͑ͯΔ ςετφϥςΟϒʢThe "How-to-test" Narrativeʣ
ςετφϥςΟϒͱ…… •࣭อূͷιϦϡʔγϣϯͷͻͱͭ •ͭ·ΓHowͱͯ͠ͷςετͷ •ϓϩμΫτ։ൃʹܞΘΔͻͱͷଟ͕͘ɺɹɹɹɹ ࣭ͱ͍͑ςετͩͱߟ͍͑ͯΔ ςετ が اۀ׆ಈʹ͓͚ΔॏཁΛ૿͍ͯ͘͠ʹͭ Εͯɺ࣭ プ
ϩϑΣογϣφϧʹٻΊΒΕΔׂ ཁٻ͞ΕΔεΩϧมΘ͖ͬͯͨɻ্खʹςετ が で ͖Δ だ ͚ で े で ͳ͍ɻςετରͷ ػೳ͔Βநग़ͨ͠ ビジ ωεʹཱͭಎΛཧ࿏વ ͱදݱ͠ɺෳͷνʔϜʹ·ͨ が ͬͨมԽΛओಋ͢ ΔೳྗΛൃش͢Δ͜ͱ が ٻΊΒΕ͍ͯΔɻ @mkwrd ʰLEADING QUALITYʱP.xiv ͚ΕͲʜʜ
@mkwrd ՁφϥςΟϒͱ…… •࣭ͷࢿͱϦλʔϯ ‣ऩӹੑ ✓ ࢦඪɾࢢೖεϐʔυɾސ٬ͷՃՁ ‣ίετݮ ‣ϦεΫݮ ՁφϥςΟϒʢThe Value
Narrativeʣ
@mkwrd ՁφϥςΟϒ࠷ׂ߹͕͍…… ࣭ͱ͍͏ͷͷଊ͑ํ ۀ্ɺ࣭ͱՁ͕ ؔ͢Δͷͱͯ͠ ଊ͑ΒΕ͍ͯͳ͍ͷͰͳ͍͔ʁ ͦ͏͍͏࣭จԽͷ৫͕ ଟ͍ͱ͍͏͜ͱͰͳ͍͔ʁ
@mkwrd 1. φϥςΟϒʢThe Ownership Narrativeʣ 2. ςετφϥςΟϒʢThe "How-to-test" Narrativeʣ 3.
ՁφϥςΟϒʢThe Value Narrativeʣ ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ
࣭จԽ ՁφϥςΟϒʹΛ͚͍ͯΔ͔ ৫จԽ ৫ઓུ ࣭ઓུ @mkwrd φϥςΟϒ ςετφϥςΟϒ ՁφϥςΟϒ ͲΜͳՁΛ
ͨΒͨ͠Β ͏Ε͍͔͠ʁ ͲΜͳՁΛ ͨΒ͢Α͏ ࣭ઓུΛඳ͔͘ʁ ͞ΒͳΔ ݕ౼ɾཱҊ ͓Αͼਪਐ ͞ΒͳΔ ݕ౼ɾཱҊ ͓Αͼਪਐ
จԽ ઓུ ઓུΛ࣮ݱ͢ΔͨΊʹ ৫จԽΛҭΉ จԽઓུΛ༰қʹ ࣮ߦෆೳʹͰ͖Δ ͬͺΓɺจԽͱઓུ৫ͷ྆ྠ @mkwrd
@mkwrd 1. ͳͥɺࠓιϑτΣΞ࣭ͳͷ͔ 2. ϏδωεՁͱاۀͷࢦඪ 3. ߏͱφϥςΟϒ͔Βߟ͑Δ࣭จԽৢ ͝ҙݟɾ͝ײɾ࣭͝ͳͲɺେܴͰ͢ʂ
ʰLEADING QUALITYʱ͔Βߟ͑Δ ιϑτΣΞ࣭ͱϏδωεՁ Masanori Kawarada, 2024-01-27, 45 min @mkwrd ༏ΕͨϦʔμʔɺ͍͔ʹͯ͠
ߴ࣭ͷιϑτΣΞΛఏڙ͠ɺΛՃͤ͞Δ͔