Eibach, R. P., Libby, L. K., & Gilovich, T. D. (2003). When change in the self is mistaken for change in the world. Journal of Personality and Social Psychology, 84(5), 917-931.
The authors examined whether and when changes in the self lead to mistaken assessments that the world has changed. Survey data revealed that: personal changes in respondents (e.g., parenthood, financial change) were positively correlated with their assessments of various social changes (e.g., crime rates, freedom). Experimental data provided converging evidence. Experimentally induced change in knowledge influenced participants' perceptions of change in an author's writing style ...