The study of the positions and aspects of celestial bodies in the belief that they have an influence on the course of natural earthly occurrences and human affairs is known as astrology. A horoscope is an astrological forecast, as of a person's future, based on a diagram of the aspect of the planets and stars at a given moment. Astrologists believe that the position of astronomical bodies such as stars, planets, etc., at the moment …showed first 75 words of 707 total…

…showed last 75 words of 707 total…in various ways. The person can be given twelve nameless horoscopes and asked to pick which one most accurately described their previous day. Also, they can just be given their horoscope outright and asked whether or not it accurately described their day. Either or both of these can be done with people over a particular period of time so as to get accurate data pertaining to the accuracy of horoscopes and the science of astrology.