In addition, evidence indicates that hypnotic responsiveness may have a hereditary component: identical twins are more likely than same-sex fraternal twins to have similar Stanford scores.

• 另外，证据指出，对催眠的反应程度可能与遗传有关：比起同性的异卵双胞胎，同卵双胞胎的史丹佛量表分数比较接近。