Past experiences with other people places and situations are extremely good or bad or blank they…

➤ Why do single strong experiences create enduring positive or negative expectations?
People form strong expectations after a single event because of emotional intensity and biases like the negativity bias and primacy effect. Salient experiences create vivid memories and conditioned responses. These memories influence judgments disproportionately. Recognizing the role of emotion and checking for broader patterns helps reduce undue weight from isolated incidents.