According to the book Why Do Buses Come in Threes ​ — The Hidden Mathematics of Everyday Life, “researchers have found that if the star signs on a horoscope are removed, people are unable to identify which paragraph belongs to their own sign, but if the signs are included they will believe their own star reading to be the most accurate. ”
Menurut buku Why Do Buses Come in Threes ​ — The Hidden Mathematics of Everyday Life, ” para peneliti mendapati bahwa jika lambang - lambang bintang pada horoskop disingkirkan, orang - orang tidak dapat mengidentifikasi paragraf mana yang berasal dari bintang mereka sendiri, tetapi jika lambang - lambang itu disisipkan lagi, mereka akan mempercayai bintang mereka sendiri sebagai yang paling akurat ”.