Graphology International Graphoanalysis Society (IGAS) were expelled between 1970 and 1980. Regarding a proposed correlation between gender and handwriting style, a paper by published by James Hartley in 1989 concluded that there was some evidence in support of this hypothesis. Although graphology had some support in the scientific community before the mid-twentieth century, more recent research rejects the validity of graphology as a tool to assess personality and job performance. Today it is considered to be a pseudoscience. Graphology is primarily used as a recruiting tool to screen candidates during the evaluation process. Many studies have been conducted to assess its
What Love Is Made Of three minutes and fifty-five seconds (3:55), "What Love Is Made Of" is an uptempo dance and house track that has been described as "rave-y" and "trance-y". Its instrumentation contains the sounds of pianos and synthesizers. Jordan Sargent of "Spin" observed that it continued the musical style first introduced in Katy's 2012 extended play (EP), "Danger EP", which was "straight-forward house". Idolator's Sam Lansky compared her performance in the song to recording artist Siobhán Donaghy. Critical response to "What Love Is Made Of" was generally positive: most critics noted Katy's vocal performance and commended its sound. Siân Rowe from "NME" was