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ʮྲྀΕʯ ͷਖ਼ମΛߟ͑Δ なういず

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ͳ͏͍ͣ !OPXJTN@TQPSUT ⚽ɿദϨΠιϧαϙʢ༏উͨ͠ʣ ⚾ɿڊਓϑΝϯʢ༏উͨ͠ʣ ɿ౦ژେֶେֶӃ ೝ஌ՊֶΛݚڀ ˠෆ߹ཧͳҙࢥܾఆʹڵຯ

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NEXT NEXT #3

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⚽ ⚾ αοΧʔͱ໺ٿ͔Βߟ͑Δ

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໺ٿʹ͓͚Δʜ ྲྀΕ

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ྲྀΕʜ ଘࡏ͢Δͷ͔ʗ͠ͳ͍ͷ͔ ٞ࿦ΛݺͿςʔϚ

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⽁ઌߦݚڀ঺հ ⽁ຊ೔ͷԾઆ ⽁ௐࠪ ⽁ྲྀΕͷਖ਼ମͷߟ࡯ ྲྀΕͷਖ਼ମ΍Ձ஋ʹഭΔ

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ྲྀΕ ⽁ IPUIBOE TUSFBLT QTZDIPMPHJDBM NPNFOUVN ܦࡁֶɺεϙʔπ৺ཧֶͰݚڀ ˠ΍ͬͺΓٞ࿦ΛݺͿ

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ΪϩϏονɾτόεΩʔΒͷݚڀ ˞ όεέͷγϡʔτʹྲྀΕ͕͋Δ͔ݕূ ʢ࿈ଓͰܾ·Γ΍͍͔͢ʣ ˠྲྀΕ͸ͳ͍ ༷ʑͳ൷൑ ྲྀΕ͸͋ͬͯ΋খ͍͞ͱ͍͏આ ˞ ※1 Gilovich, T., Vallone, R., & Tversky, A. (1985). The hot hand in basketball: On the misperception of random sequences. Cognitive psychology, 17(3), 295-314. ※2 Yaari, G., & Eisenmann, S. (2011). The hot (invisible?) hand: can time sequence patterns of success/failure in sports be modeled as repeated random independent trials?. PloS one, 6(10).

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໺ٿͰ͸ ྲྀΕ͕͋Δͱͷओு ˞.-#Λର৅ ˠݸਓ಺੒੷Ͱͷൺֱ ྲྀΕ͕ͳ͍ͱͷओு ˞ /1#Λର৅ ˠແࢮ͔Βͷ࢛ٿ΍Τϥʔͷࣦ఺཰͸ ແࢮ͔Βͷώοτͷࣦ఺཰ͱมΘΒͳ͍ ※1 Green, B., & Zwiebel, J. (2018). The hot-hand fallacy: Cognitive mistakes or equilibrium adjustments? Evidence from major league baseball. Management Science, 64(11), 5315-5348. ※2 野球に“流れ”は本当にあるのか? ⼤学准教授が研究!? , https://timely-web.jp/article/3643/

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ຑ੃Ͱ΋ʜ ྲྀΕΛݕূ ˠ൱ఆ͍ͯ͠Δ

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⽁ࡶײ ྲྀΕͷఆٛɾ౷ܭख๏ʹେ͖͘Өڹ ⽁ࢲͷڵຯʜ બख΋ʢϑΝϯ͚ͩͰͳ͘ʣ ྲྀΕΛײͯ͡͠·͏ ίίϩͷߏ଄

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⽁ຊ೔ͷݕূ ✕ྲྀΕ͕ଘࡏ͢Δ͔൱͔ ˓ྲྀΕΛҙࣝ͢Δͷ͸Ͳ͏͔ͯ͠ ͦͷϝϦοτ͸Կ͔ʁʁ

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⽁ຊ೔஫໨͢Δ৺ཧݱ৅ &GGFDUBODF .PUJWBUJPO˞ ର৅Λཧղ ༧ଌ ίϯτϩʔϧ͍ͨ͠ཉٻ ˞ ※1 和訳なし ※2 Effectance Motivationの説明は分野は違うが分かりやすかったのでこの論⽂から Waytz, A., Morewedge, C. K., Epley, N., Monteleone, G., Gao, J. H., & Cacioppo, J. T. (2010). Making sense by making sentient: effectance motivation increases anthropomorphism. Journal of personality and social psychology, 99(3), 410.

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⽁ྲྀΕͷྫ ɾ޷౤ख͔Β࿈ଧ ɾ૬खͷϥοΩʔͳΤϥʔ ɾԼҐଧઢʹ࢛ࢮٿ ˠ૝ఆ֎ͳΠϕϯτ ˠ&⒎FDUBODF .PUJWBUJPOൃੜ ˠྲྀΕʂʂ

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⽁Ծઆ 選⼿ 平均 想定外な現象 (Effectance motivation有り) 打者 3割打つ ポジティブな現象 投⼿ 7割抑える ネガティブな現象 監督 5~6割勝つ 打者と投⼿の間

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⽁Ծઆ&⒎FDUBODF .PUJWBUJPO ଧऀ ༧ଌ ࣮ࡍ ྲྀΕ ༧ଌ ࣮ࡍ ྲྀΕ ౤ख ɾ ؂ಜ

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⽁Ͳ͏΍ͬͯ બखͷ಄ͷதΛ͔֬ΊΔ͔

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⽁จதʹʮྲྀΕʯΛؚΉ هࣄΛهࣄ༻ҙ ⽁/1#ͷબखɾ؂ಜ͕ ʮྲྀΕʯʹ͍ͭͯݴٴͨ͠هࣄΛநग़ ˠهࣄ

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⽁จதʹʮྲྀΕʯΛؚΉ هࣄΛهࣄ༻ҙ ⽁/1#ͷબखɾ؂ಜ͕ ʮྲྀΕʯʹ͍ͭͯݴٴͨ͠هࣄΛநग़ ˠهࣄ

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⽁จதʹʮྲྀΕʯΛؚΉ هࣄΛهࣄ༻ҙ ⽁/1#ͷબखɾ؂ಜ͕ ʮྲྀΕʯʹ͍ͭͯݴٴͨ͠هࣄΛநग़ ˠهࣄ

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⽁จதʹʮྲྀΕʯΛؚΉ هࣄΛهࣄ༻ҙ ⽁/1#ͷબखɾ؂ಜ͕ ʮྲྀΕʯʹ͍ͭͯݴٴͨ͠هࣄΛநग़ ˠهࣄ

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⽁ྲྀΕʹ͍ͭͯ ɾൃݴͨ͠ਓʢଧऀɾ౤खɾ؂ಜʣ ɾϙδςΟϒͳྲྀΕ͔ ωΨςΟϒͳྲྀΕ͔Λूܭ ˞ ϙδςΟϒྫɿ ྲྀΕΛҾ͖دͤͨɺྲྀΕʹ৐Εͨ ωΨςΟϒྫɿ ྲྀΕΛѱͨ͘͠ɺྲྀΕΛࢭΊͨ

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選⼿ ポジティブ流れ ネガティブ流れ 打者 92.4% 7.6% 投⼿ 35.7% 64.3% 監督 36.6% 63.4% ଧऀɿϙδςΟϒʹྲྀΕΛ࢖͏ ౤खɾ؂ಜɿωΨςΟϒʹྲྀΕΛ࢖͍΍͍͢ &⒎FDUBODF .PUJWBUJPO ૝ఆ֎ͳݱ৅ΛzྲྀΕzͰઆ໌

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⽁&⒎FDUBODF .PUJWBUJPOͷϝϦοτ આ໌ෆೳͳݱ৅͸৺ཧతͳෛՙ ˠzྲྀΕzͰઆ໌ָͯ͠ʹͳΔ ۃ୺ͳྫɿόϯϏʔϊͷढ͍ γʔζϯΛઓ͏্Ͱ ݈΍͔ͳਫ਼ਆΛࢧ͍͑ͯΔՄೳੑ ※Morewedge, C. K. (2009). Negativity bias in attribution of external agency. Journal of Experimental Psychology: General, 138(4), 535. ※Bar-Anan, Y., Wilson, T. D., & Gilbert, D. T. (2009). The feeling of uncertainty intensifies affective reactions. Emotion, 9(1), 123.

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⽁Ͳ͏ͯ͠ྲྀΕΛҙࣝ͢Δ͔ &GGFDUBODF .PUJWBUJPOͷՄೳੑ ⽁ͦͷϝϦοτ͸Կ͔ બखɾ؂ಜͷਫ਼ਆӴੜʹߩݙ ⽁ݶքɾల๬ χϡʔεهࣄͷόΠΞε ˠ͍͍ΞΠσΞืूத

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⽁൵͍͠χϡʔε ɾ৺ͷපؾʹۤ͠ΉҰྲྀબख ˡ໎৴ͷ൱ఆ͕ؔ܎ͯ͠Δʁ উෛڧ͞ ྲྀΕʜ

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⽁εϙʔπ෼ੳͷࠓޙ ٬؍తͳσʔλ෼ੳ º બखͷओ؍ʹدΓఴ͏෼ੳ ৺ٕମͰ૯߹తʹ ࠷ߴͷύϑΥʔϚϯεΛҾ͖ग़͢

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#BMMHBNF@&DPOPNJDT 4QPSUTº &DPOPNJDT ⽁4QPSUT ه࿥ͷਖ਼֬ੑ ࿈ଓੑ ൓෮ੑ ϧʔϧมԽͳͲ ࣮ݧ ෼ੳʹ࠷దͳ୊ࡐ ⽁&DPOPNJDT ͓ۚΛؚΊਓͷΠϯηϯςΟϒΛѻ͍ ҙࢥܾఆͷϓϩηεΛ௥ٻ͢Δ෼໺΋ؚΉ