Hypnotic susceptibility assesses how easily an individual can be hypnotized. Those individuals who have a high susceptibility are frequently those who commonly fantasize, report physical responses to their imagery, have very early memories, and have had imaginary playmates. Some of the tools utilized in measuring hypnotic susceptibility are the Harvard Group Scale (HGSS), Stanford Hypnotic Susceptibility Scale (SHSS) and the Friedlander-Sarbin Scale.