Since this paper’s publication, it has come to our attention that two of the tables included in the paper were calculated using a slightly different dataset than the rest of our analysis.
CITATION STYLE
Greenhalgh, S. P., & Koehler, M. J. (2019, July 15). Correction to: 28 Days Later: Twitter Hashtags as “Just in Time” Teacher Professional Development (TechTrends, (2017), 61, 3, (273-281), 10.1007/s11528-016-0142-4). TechTrends. Springer New York LLC. https://doi.org/10.1007/s11528-019-00405-2
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