RT Journal Article T1 An analysis of the connectedness to nature scale based on item response theory A1 Pasca García, Laura A1 Aragonés Tapia, Juan Ignacio A1 Coello García, María Teresa AB The Connectedness to Nature Scale (CNS) is used as a measure of the subjective cognitive connection between individuals and nature. However, to date, it has not been analyzed at the item level to confirm its quality. In the present study, we conduct such an analysis based on Item Response Theory. We employed data from previous studies using the Spanish-language version of the CNS, analyzing a sample of 1008 participants. The results show that seven items presented appropriate indices of discrimination and difficulty, in addition to a good fit. The remaining six have inadequatediscrimination indices and do not present a good fit. A second study with 321 participants shows that the seven-item scale has adequate levels of reliability and validity. Therefore, it would be appropriate to use a reduced version of the scale after eliminating the items that display inappropriate behavior, since they may interfere with research results on connectedness to nature. PB Frontiers YR 2017 FD 2017-08-04 LK https://hdl.handle.net/20.500.14352/93557 UL https://hdl.handle.net/20.500.14352/93557 LA eng NO Pasca, L., Aragonés, J. I., & Coello, M. T. (2017). An analysis of the connectedness to nature scale based on item response theory. Frontiers in Psychology, 8:1330. https://doi.org/10.3389/fpsyg.2017.01330 NO Ministerio de Ciencia e Innovación DS Docta Complutense RD 7 abr 2025