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. 2024 Jan 4;12:e16514. doi: 10.7717/peerj.16514

Table 1. Summary of relationships between independent (columns) and dependent (rows) variables in analyses of relationships among variables related to publishing by ecology and evolutionary biology faculty.

For each cell in the matrix, “ +” indicates positive-slope relationships, and “ −” indicates negative-slope relationships. Boldface indicates relationships for which the slope is significantly different from zero, and the R2 value is given in parentheses in all cases.

Number of EEB papers 2019 subscription price Article processing charges (US$) Cost of openness (US$) Average EEB editorships per year Total EEB reviews 2015–2018 Journal Impact Factor™ Average citations per year Average usage (2018–2022)
Number of EEB papers + (0.0021) − (0.0031) + (0.0005) + (0.1669) + (0.1042) + (0.0236) + (0.0132) + (0.0684)
+ (0.0004) − (0.0031) + (0.0005) + (0.1734) + (0.1044) + (0.0036) + (0.0082) + (0.0489)
2019 subscription price + (0.0021) + (0.0331) + (0.1237) − (0.0018) + (0.0002) + (0.2198) + (0.0429) + (0.1054)
+ (0.0004) + (0.0331) + (0.1237) − (0) + (0.0017) + (0.0372) + (0.0167) − (0)
Article processing charges (US$) − (0.0031) + (0.0331) + (0.1033) − (0.0437) + (0.0028) + (0.6793) + (0.1083) + (0.0612)
− (0.0031) + (0.0331) + (0.1033) − (0.0437) + (0.0028) + (0.6793) + (0.1083) + (0.0612)
Cost of openness (US$) + (0.0005) + (0.1237) + (0.1033) − (0.0082) + (0.0021) + (0.0351) + (0.0141) − (0.0017)
+ (0.0005) + (0.1237) + (0.1033) − (0.0082) + (0.0021) + (0.0351) + (0.0141) − (0.0017)
Average EEB editorships per year + (0.1669) − (0.0018) − (0.0437) − (0.0082) + (0.009) − (0.0029) + (0.0001) + (0.0021)
+ (0.1734) − (0) − (0.0437) − (0.0082) + (0.009) − (0.0031) + (0.0001) + (0.0114)
Total EEB reviews 2015–2018 + (0.1042) + (0.0002) + (0.0028) + (0.0021) + (0.009) + (0.0122) + (0.0264) + (0.0016)
+ (0.1044) + (0.0017) + (0.0028) + (0.0021) + (0.009) + (0.0235) + (0.0259) + (0.0017)
Journal Impact Factor™ + (0.0236) + (0.2198) + (0.6793) + (0.0351) − (0.0029) + (0.0122) + (0.1453) + (0.4772)
+ (0.0036) + (0.0372) + (0.6793) + (0.0351) − (0.0031) + (0.0235) + (0.1583) + (0.0674)
Average citations per year + (0.0132) + (0.0429) + (0.1083) + (0.0141) + (0.0001) + (0.0264) + (0.1453) + (0.0581)
+ (0.0082) + (0.0167) + (0.1083) + (0.0141) + (0.0001) + (0.0259) + (0.1583) + (0.0271)
Average usage (2018–2022) + (0.0684) + (0.1054) + (0.0612) − (0.0017) + (0.0021) + (0.0016) + (0.4772) + (0.0581)
+ (0.0489) − (0) + (0.0612) − (0.0017) + (0.0114) + (0.0017) + (0.0674) + (0.0271)