The Spearman Experiment was an Australian television series, hosted by Magda Szubanski that counts down Australian pop culture's most defining people and topics based on a public poll commented on by various Australian celebrities. The show is named for Charles Spearman, who developed Spearman's rank correlation coefficient, the statistical technique used to survey the public to produce the show's rankings. It premiered on 8 September 2009. The series began development in May 2009, and was officially announced in early August 2009. The show was ultimately cancelled due to low ratings.