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APA Citation
Johnston, M., Dixon, D., Hart, J., Glidewell, L., Schröder, C., & Pollard, B. (2014). discriminant content validity: A quantitative methodology for assessing content of theory‐based measures, with illustrative applications. British journal of health psychology, 19, 240–257. http://access.bl.uk/ark:/81055/vdc_100024815321.0x000018