Ordem das coisas
Autor: César Tibúrcio | Publicado: 2015-05-27T20:22:00-04:00

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Há tempos, a revista The Economist notou algo interessante: os líderes mundiais do ocidente tinham nome nas primeiras letras do alfabeto (vide aqui). Uma pesquisa revelou que o nome com as primeiras letras do alfabeto aumenta a chance de sucesso na carreira na área de economia. Isto é confirmado aqui. 




Mas aprendemos que a ordem dos fatores não afeta os produtos. Será? Quatro pesquisadores resolveram verificar se a ordem é relevante na vida. Semanalmente o National Bureau of Economic Research (NBER) distribui para mais de vinte mil pessoas a lista de novas pesquisas através de um e-mail. O NBER é extremamente conhecido na área de economia e geralmente os textos divulgados no sítio são posteriormente publicados nos periódicos mais relevantes das ciências sociais. Todos os textos são de altíssima qualidade.




O trabalho dos pesquisadores investigou o “primacy effect”, onde as pessoas selecionam os primeiros itens de uma lista. Existem diversas razões para que isto ocorra, como o cansaço, o efeito na memória ou a força da primeira impressão. O primacy effect foi investigado para verificar se a ordem dos artigos listados no e-mail do NBER teria algum efeito sobre o interesse dos leitores. 




Apesar de serem trabalhos técnicos e não existir nenhuma preferência na ordem do e-mail encaminhado, a pesquisa conseguiu comprovar o primacy effect. Assim, os textos que estavam no topo da lista apresentaram maior número de downloads e citações em trabalhos futuros. E este efeito foi considerado significativo. 




FEENBERG, Daniel; GANGULI, Ina; GAULE, Patrick; GRUBER, Jonathan. It´s Good to be First: Order bias in Reading and citing NBER Working Paper, maio de 2015.