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Journal Article Explaining Information System Use with System-Monitored vs. Self-Reported Use Measures Get access JAMES S. ETTEMA JAMES S. ETTEMA James S. Ettema is Associate Professor in the Department of Communication Studies, Northwestern University. This research was supported by Grant No. IST-82I2I64 from the Division of Information Science and Technology of the National Science Foundation. Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 49, Issue 3, FALL 1985, Pages 381–387, https://doi.org/10.1086/268935 Published: 01 January 1985
James S. Ettema (Tue,) studied this question.