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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1979 2
1980 3
1981 1
1982 3
1983 8
1984 4
1986 1
1987 2
1988 3
1989 3
1990 1
1991 2
1992 1
1993 4
1994 3
1995 4
1996 8
1997 5
1998 8
1999 8
2000 10
2001 9
2002 4
2003 8
2004 3
2005 5
2006 4
2007 9
2008 11
2009 10
2010 3
2011 8
2012 9
2013 9
2014 9
2015 4
2016 13
2017 9
2018 14
2019 18
2020 11
2021 16
2022 31
2023 15
2024 4

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Page 1
Developing an observation protocol for online STEM courses.
Horvitz BS, DeCamp W, Mitchell RG, Kowalske M, Singleton C. Horvitz BS, et al. Among authors: singleton c. PLoS One. 2024 Jan 25;19(1):e0297359. doi: 10.1371/journal.pone.0297359. eCollection 2024. PLoS One. 2024. PMID: 38271394 Free PMC article.
298 results