vividness

n.

（色彩、光线等）鲜艳；活泼；生动；逼真

Vividness Effects: A Resource㎝atching Perspective
Stalking the elusive "vividness"effect.
Examining the Vividness Controversy: An Availability-Valence Interpretation
Detecting and Explaining Vividness Effects in Attitudinal Judgments
Can the availability heuristic explain vividness effects?
Interactivity and vividness effects on social presence and involvement with a web-based advertisement.
The Effects of Progressive Levels of Interactivity and Vividness in Web Marketing Sites
Eye-movements reduce the vividness, emotional valence and electrodermal arousal associated with negative autobiographical memories
Designing Interfaces with Social Presence: Using Vividness and Extraversion to Create Social Recommendation Agents
An fMRI investigation on image generation in different sensory modalities: the influence of vividness