Object Performance: The recognition that objects exist independently of an individual's action or awareness; an important cognitive acquisition of infancy.
客體表現：對客體獨立於個人行爲或意識而存在的認識；嬰兒期重要的認知習得。
Observational Learning: The process of learning new responses by watching the behavior of another.
觀察學習：通過觀察別人的行爲來學習新的反應的過程。
Observer Basis: The distortion of evidence because of the personal motives and expectations of the viewer.
觀察者基礎：由於觀察者的個人動機和期望而導致證據的扭曲。
Obsessive-Compulsive Disorder (OCD): A mental disorder characterized by obsessions-recurrent thoughts, images, or impulses that recur or persist despite efforts to suppress them-and compulsions-repetitive, purposeful acts performed according to certain rules or in a ritualized manner.
強迫性障礙(OCD)：一種精神障礙，其特徵是