How can plant phytochemistry be included in discussions about whole plant traits?

I am using the concept of plant functional traits (Cornellisen et al., 2003) in a paper. Considering descriptions for whole plant traits (life history; life form; growth form; plant height;...

24 February 2021 6,831 5 View

Interpretation of Goodman - Kruskal Gamma squared?

Dear colleages, Eta squared is dominantly used in reflecting the explaining power the same manner as a squared partial correlation coefficient (R2p ) from multiple linear regression: as the...

22 February 2021 7,801 3 View

What effect size should i use for a meta-analysis when study data violate normality assumptions?

I'm looking for advice regarding what effect size to use for meta-analysis. Our question is whether the number of individuals in a group affects the per-capita productivity of that group. Does...

10 February 2021 5,510 8 View

No title

29 January 2021 2,623 1 View

What can be the Research Design if I am looking for Correlation Coefficient and Regression Coefficient?

In our research our title includes the impact of academic anxiety on academic performance. This one is a quantitative research. Our data is numeric. Can someone suggest what can be the research...

21 January 2021 1,650 3 View

Which statistics to use for this?

I am currently working on a project which replaces a COD analyses with a TOC analyses using the COD/TOC-ratio factor and/or linear regression of COD vs TOC. Which form(s) of statistic tests can I...

16 January 2021 4,590 3 View

Can two seperate variables, one a strong negative correlation and the other moderate negative result into a strong positive in a multiple regression?

I selected two individual variables with very decent negative correlation coefficient to fit in the multiple regression analysis. I ran it, whilst the regression coefficients remained negative,...

03 January 2021 3,432 10 View

How can we say a species of insects got extinct?

02 January 2021 4,232 10 View

How do I plot the correlation coefficients (r) on a map based on a list of variables?

I am working to improve a manuscript and I have been advised to provide a map showing where the correlation is significant. Any information or links to learn about this would be quite helpful....

26 December 2020 1,162 5 View

Fisher's transformation in SPSS?

Hello, I want to compare correlations coefficients between two groups, females and males. I have a lot of variables. Is there an easy way to use the Fisher's r to z transformation in SPSS?

23 December 2020 4,983 3 View