æšæ¥ã¯ãç 究ãããžã§ã¯ãã«éäžããå¿ èŠããã£ããããæšæ¥ã®ãè€éæ§ãšäººéçºéããšããã¯ã©ã¹ã«é¢ããæ¯ãè¿ããããŸãã§ããªãã£ããèšæ¶ãé®®æãªãã¡ã«ãå°è±¡ã«æ®ã£ãŠããããšãæžãçããŠããããã
ã¯ã©ã¹ãè¡ãããã³ã³ãã¥ãŒã¿ãŒã«ãŒã ã«å°çããç§ã¯ãæååã®åžã確ä¿ãããã¯ã©ã¹ãå§ãŸããšããŸãã¯ãã€ãããã¯ã·ã¹ãã ã¢ãããŒãã«é¢ããçè«çãªè§£èª¬ããã¹ã¿ãŒãããã
æšæ¥ã¯ååã®ã¯ã©ã¹ã§ãããããåã ã®åè¬çã«ãšã£ãŠããã€ãããã¯ã·ã¹ãã ã¢ãããŒãã«é¢ããæŠèŠãæŒãããããšã¯éèŠã§ãã£ããæåã®è«ç¹ã¯ããã€ãããã¯ã·ã¹ãã ã¢ãããŒããçºéç§åŠã«é©çšããã以åã®ç 究ã®ç¹åŸŽã§ãã£ãã
æ¥æ¬ã§ããå°ããã€ãããŒãã»ããŒã¬ã³ã代衚ãšããæ§é ççºéå¿çåŠã®æ çµã¿ã人å£ã«èŸçãå§ããŠãããã圌ãã®ç 究ã¯ãåºæ¬çã«ãã€ãããã¯ã·ã¹ãã ã¢ãããŒãã掻çšããã以åã®ãã®ã«åé¡ãããã
ããã§ã¯ãéå»ã®æ§é ççºéå¿çåŠã®ç 究ã«ã¯ã©ã®ãããªç¹åŸŽãããã ããïŒäŸãã°ã幎霢ã瀟äŒçå°äœââäŒæ¥çµç¹ã«ãããŠã¯åœ¹è·ââã«å¿ããŠãçºé段éãã©ã®ãããªååžã«ãªã£ãŠããã®ãããšããç 究ææãããã
ããã«ãããã°ã«ãŒãã«çºéæ¯æŽãè¡ãããã®å¹æãã©ãã ãããã®ãããçºéæ¯æŽã®ä»å ¥ååŸã§æ¯èŒããããšããç 究ãªã©ããããããããç 究ããæããã«ãªãã®ã¯ãæåã®äŸã§èšãã°ã15æ³ãããã«å°éãããšãã»ãšãã©ã®åäŸãã¡ã¯ãæœè±¡çãªæèãã§ããããã«ãªãããšããããšã§ãã£ãããéšé·ã¯ã©ã¹ã«ãªããšãããŒã¬ã³ã®æ®µéã¢ãã«ã§èšãã°ãçºé段é4ã«å°éããŠããããšãããããªããšã ããã
åŸåã®äŸã§èšãã°ãã¯ã©ã€ã¢ã³ããããçºé段éã®é«ãã³ãŒããã³ãŒãã³ã°ãè¡ãã°ãå幎åŸã«ã¯ã©ã€ã¢ã³ãã®çºé段éã0,4ã»ã©åäžããããšãããããªç§åŠçç¥èãçã¿åºããããããããªãããããã®ç§åŠçç¥èã¯ãééããªã䟡å€ãããã®ã§ãããçºéç§åŠã®çºå±ã«å¯äžããŠããããšã¯ç¢ºãã§ããã
ããããªããããããã®ç 究ã«é¢ããŠãäŸãã°ãäžèšã®ãããªããšãçåã«æ®ãã®ã§ã¯ãªãã ãããããåäŸãã¡ã¯ãå ·äœçãªæèããã§ããªãã£ãç¶æ ãããæœè±¡çãªæèãã§ããç¶æ ãžã©ã®ããã«ç§»è¡ããã®ã ãããïŒããã³ãŒãã³ã°ã¯ã¯ã©ã€ã¢ã³ãã®çºé段éã®åäžã«ã©ã®ããã«äœçšããŠããã®ãïŒãããªãå šãŠã®åã©ããã¡ããåææã«æœè±¡çãªæèãã§ããç¶æ ã«ç§»è¡ããªãã®ãïŒã
ãããã®è³ªåã¯ãã€ãŸãããçºéçŸè±¡ãã©ã®ãããªäººãã¡ã«ãäœã«ãã£ãŠããã€ãã©ã®ããã«çã¿åºãããã®ãïŒãã«é¢ä¿ããŠãããã®ã ãšèšããã ãããæ®å¿µãªãããæ¢åã®çºéç§åŠã®æ çµã¿ã§ã¯ããã®ãããªåãã«åçããããšã¯é£ããã®ã§ããã
ãªããªããããã§ã¯çºéã®ããã»ã¹ãèãã«ãããŠãããå人åºæã®çºéã®åœ¢ãšãããã®ãèŠèœãšãããŠããŸã£ãŠããããã§ãããèŠããã«ãæ¢åã®çºéç§åŠã®ç 究ã§ã¯ãã°ã«ãŒãã®å¹³åã掻çšããããšããããäžäººã®äººéãšä»ã®äººéãæ¯èŒãããããªãå人éã®å·®ç°ïŒinter-individual differenceïŒãã«çŠç¹ãåœãŠãããŠããããå人å ã®å·®ç°ïŒintra-individual differenceïŒãã«ã¯ã»ãšãã©çŠç¹ãåœãŠãããŠããªãã£ããããäžèšã®ãããªåãã«åçããããšãé£ããã£ãã®ã§ããã
ãã®èæ¯ã«ã¯ãå人ãæã€è€éãªçºéããã»ã¹ãç解ããçè«ãšç 究ææ³ãæ¬ ããŠããããšã倧ããªèŠå ãšããŠååšããŠãããããã«ãæ¢åã®çºéç§åŠã®ãã©ãã€ã ã«ã¯ãããããå€æ§ãªçºéããã»ã¹ã解æããããšããèŠç¹ãæ¬ ããŠãããšãèšããã ããã
ãã®ãããªæŽå²ãçµãŠãçŸä»£ã®çºéç§åŠã¯ãåŸã ã«ãã€ãããã¯ã·ã¹ãã ã¢ãããŒãã®çè«ãšç 究ææ³ãåãå ¥ããŠãã£ãã®ã ãçµæãšããŠããã€ãããã¯ã·ã¹ãã ã¢ãããŒãã掻çšããçºéç 究ã§ã¯ããããèŠå ããã€ã»ã©ã®ããã«ãããå人ã®çºéããã»ã¹ã«åœ±é¿ãåãŒãã®ãïŒããšããåãã«åçããããšãã§ãã€ã€ããã®ã ã
ãã®ããã«ãå人ãæã€è€éãã€å€æ§ãªçºéããã»ã¹ã«ç«èãã圢ã§ãäžäººäžäººã®å人ã«ãšã£ãŠæå³ã®ããç§åŠçç¥èãçã¿åºãããšãã§ããããã«ãªã£ãŠããŠããããšã¯ãéåžžã«å€§ããªæ矩ãæã£ãŠãããšæãã®ã ã