If the evaluation is affected by the covariation, and no explicit knowledge is detectede, one can conclude that attitude is formed implicitly through HCD, which also called the HCD effect.

• 如果被试的评价受到协变关系的影响，而被试又没有掌握相关的外显知识，则说明潜在协变关系探测可以内隐地形成态度，这种现象也称作HCD效应。