Tia Roberts (foto) a luat parte anul trecut la un experiment organizat cu ocazia Saptamanii nationale a stiintei in Marea Britanie, alaturi de un astrolog, Christeen Skinner si un expert financiar, Mark Goodson. Timp de un an de zile, cei trei au facut investitii la bursa, fiecare dupa propriile socoteli.
Micuta Tia, care nu stia nici macar sa citeasca, a ales actiunile la intamplare. Astrologul a analizat pozitia astrelor, si actiona in functie de prognozele horoscopului realizat de el. Si expertul financiar a facut calcule si analize complicate pe computer. Mai mult, el avea la dispozitie si rezultatele financiare ale firmelor in care a investit banii in anii precedenti, precum si planurile de afaceri ale acestora din anul desfasurarii experimentului. Initial, cei trei au avut la dispozitie 7.000 de dolari. In final, fetita a iesit invingatoare, cu un profit de 5,8 la suta, in timp ce astrologul a pierdut 6,2 la suta din bani si, incredibil, expertul a pierdut 46,2 la suta din cei 7.000 de dolari!
Copila a reusit sa depaseasca doi adulti.
Psihologul Richard Wiseman, membru al echipei de psihologi de la Universitatea Hertfordshire care a pus la punct experimentul, a comentat pentru BBC: „Rezultatul final este uluitor. Anul 2001 a fost instabil pe piata financiara, mai ales din cauza atentatelor din SUA. Totusi, alegerile la intamplare facute de Tia s-au dovedit a fi cele mai bune. Desi intamplarea a jucat, probabil, un rol major in stabilirea acestei ierarhii, este senzational faptul ca o fetita fara nici un fel de cunostinte economice a reusit sa depaseasca doi adulti”.
Specialistul adauga ca teoria economistilor potrivit careia deciziile umane sunt rationale este de multa vreme contestata de psihiatri, convinsi ca aceste decizii sunt adesea irationale.
Intr-un studiu aparut recent in prestigioasa revista „Science”, se arata ca in realitate si contrar celor ce se credeau pana acum, creierul uman nu are nevoie de mai mult de un sfert de secunda pentru a intelege daca un pariu este castigat sau nu. „Dupa o pierdere, creierul „crede” ca va urma un castig. Rezultatul este o decizie precipitata si mai riscanta”, explica specialistii. „Probabil ca acelasi lucru s-a intamplat si in cazul expertului financiar care a participat la experiment alaturi de micuta Tia”, sustine psihologul Richard Wiseman.
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