Five items assess the degree to which a person felt worried, confused, and preoccupied by the answers they provided in a recently completed task, used as a manipulation check for need for closure.
Kardes, F. R., Cronley, M. L., Kellaris, J. J., & Posavic, S. S. (2004). The role of selective information processing in price-quality inference. Journal of Consumer Research, 31(2), 368–374.
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