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- Title
Decline effects are rare in ecology: Comment.
- Authors
Yang, Yefeng; Lagisz, Malgorzata; Nakagawa, Shinichi
- Abstract
Then we found that there was a statistically significant systematic decline effect in ecology (overall/pooled HT <math display="inline" overflow="scroll" altimg="urn:x-wiley:00129658:media:ecy4069:ecy4069-math-0010" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msub><mi mathvariant="normal"> </mi><mtext>year</mtext></msub></mrow></math> ht = -0.0034, 95% CI = -0.0054 to -0.0014; I p i -value = 0.0008; Figure 1). While the "prevalence" of the decline effect in ecology was addressed by Costello and Fox ([5]), the "magnitude" of the decline effect, another important dimension of meta-scientific questions, remains unexplored. Otherwise, the meta-meta-analysis would create artifactual heterogeneity among HT <math display="inline" overflow="scroll" altimg="urn:x-wiley:00129658:media:ecy4069:ecy4069-math-0035" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msub><mi mathvariant="normal"> </mi><mtext>year</mtext></msub></mrow></math> ht slopes and thereby reduce the statistical power to identify the systematic pattern of the decline effect across ecology. Recently, Costello and Fox ([5]) tested, with a large data set, the hypothesis of whether the decline effect occurs in ecology and its drivers are specific to certain research topics.
- Subjects
META-analysis; FALSE positive error; STATISTICAL power analysis; PSYCHOLOGICAL techniques
- Publication
Ecology, 2023, Vol 104, Issue 8, p1
- ISSN
0012-9658
- Publication type
Article
- DOI
10.1002/ecy.4069