Hartig, Korpela, Evans and Gärling address a decisive methodological problem: if restoration is to become a cumulative field rather than a loose family of impressions, the environmental qualities associated with it must become comparable. Their Perceived Restorativeness Scale operationalises central dimensions derived from Attention Restoration Theory, including being away, extent, fascination and compatibility. The conceptual achievement is to translate a phenomenological vocabulary of environmental experience into an instrument that can travel between settings and studies without claiming that experience itself is reducible to a score. The paper therefore sits at a productive tension between abstraction and situated perception. Its wider methodological significance lies in showing how a spatial quality can be made researchable through carefully articulated constructs, validation and sensitivity testing. The bridge to architectural and urban thought is exact: atmospheres and experiential qualities become capable of systematic comparison while retaining their status as relational effects emerging between environmental configurations, expectations, activities and states of attentional fatigue.