Measures endorsement of a pro-ecological worldview — the belief that humans are part of nature, that the natural environment has limits, and that ecological crises are real and serious. The most widely used measure of environmental attitude in the social sciences. In tourism research, NEP scores predict responsible tourist behaviour, sustainable accommodation choice, willingness to pay green premiums, and carbon offset adoption. Alternating pro-NEP and anti-NEP wording across items controls for acquiescence bias. Used extensively to segment tourism markets by environmental orientation and to identify 'green' tourist profiles.
Dunlap, R.E., Van Liere, K.D., Mertig, A.G., & Jones, R.E. (2000). Measuring endorsement of the new ecological paradigm: A revised NEP scale. Journal of Social Issues, 56(3), 425–442.
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