手法を比較

	環境アイデンティティ尺度	持続可能な消費尺度
分野	環境心理学	環境心理学
系統	Process / pipeline	Process / pipeline
提唱年	2003	2008
提唱者	Susan D. Clayton	Anna M. Sundström, Iris Vermeir, Wim Verbeke
種類	Self-report identity and self-concept scale	Self-report frequency and behavior scale
原典	Clayton, S. D. (2003). Environmental identity: A conceptual and an operational definition. In S. D. Clayton & S. Opotow (Eds.), Identity and the natural environment: The psychological significance of nature (pp. 45–65). MIT Press.	Sundström, A. M. (2014). An investigation of the relationship between sustainable values and consumption patterns. In Interdisciplinary book of sustainable development. InTech Press.
別名	EIS, Ecological Identity Scale	SCS, Sustainable Lifestyle Scale
関連	4	4
概要	The Environmental Identity Scale (EIS) measures the degree to which individuals incorporate environmental values and ecological concerns into their sense of self—how central environmental stewardship is to personal identity and self-concept. Developed by Clayton (2003) from identity theory and social psychology, the EIS captures environmental identity as a psychological construct distinct from attitudes, values, or behaviors alone. High EIS scores indicate that individuals view themselves as 'environmental people' for whom conservation and sustainability are integral to who they are. The scale is foundational for research on sustainable behavior motivation, examining why environmental values persist and translate into behavior for some individuals but not others, and evaluating whether environmental interventions shift identity and thus self-motivated behavior change.	The Sustainable Consumption Scale (SCS) measures the extent to which individuals adopt sustainable and ethical consumption practices across multiple life domains including food, clothing, household products, transportation, and waste. Developed within ecological economics and consumer behavior frameworks (Sundström, 2014; Vermeir & Verbeke, 2008), the SCS captures integrated sustainable lifestyle rather than isolated green behaviors. The scale is widely used in research on sustainable consumption patterns, consumer segmentation for green marketing, and evaluation of sustainability interventions targeting lifestyle transformation.