Overview of the studies

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Select studies

Choose inclusion criteria to select studies.


Use one of our selection examples:

*Please allow some time for the data to update.

Or make your own selection:






Explore your selection

Click on the rows in the table to de-select effect sizes

APA references (.rtf)

Bibtex references (.bib)

Raw dataset (.csv)

Meta-analytic models

In order to do this, you need to select some data first.

Go back to data overview and select at least one specific IV Treatment.

Choose your model

Moderators

Choose additional moderators (mods.) for your analysis

Calculate sample size based on effect size, significance and power.

Statistical power analysis can estimate the minimum required sample size for the next study, given a set of assumptions about the effect size, significance level, and power.


This is a funnel plot which plots effect sizes according to their standard errors. Studies with low standard errors are most often plotted near the average effect size, and studies with higher standard errors will be distributed evenly on both sides of the average, creating a funnel-shaped distribution. Asymmetry in the funnel-shape may indicate publication bias.

See: https://en.wikipedia.org/wiki/Funnel_plot

This table displays the studies, effect sizes, and moderator values included in the meta-analysis. The information on this table differs from the table in the “data overview” section, because that table includes studies coded for examining the same topic, but for which effect sizes were not computed.

This is a violin plot which plots the effect sizes, including the probability density of the effect sizes at different values, which is smoothed by a kernel density estimator. The violin plot includes a marker for the median and a marker for the interquartile range.

See: https://en.wikipedia.org/wiki/Violin_plot

This is a forest plot which displays effect sizes from the selected studies, including the overall result of the meta-analysis.

source: https://en.wikipedia.org/wiki/Forest_plot


Note: K = the number of effect sizes, CI = Confidence Interval; PI = Prediction Interval.


Raw output 


                    

                  

                

              

              

                

                  

                    

                      
Download data

                    

                  

                  

                    

                      

                        

                          

                            
                              
                            
                          

                          
Selected dataset (.csv)

                        

                        

                          
                        

                      

                    

                  

                

              

            

          

          

            

              

                

                  

                    
Meta-regression models

                  

                  

                    

                      
                    

                    
In order to do this, you need to select some data first. 

                    
Go back to data overview and select at least one specific IV Treatment.

                  

                

              

            

            

              

                

                  

                    

                      
Choose your model

                    

                  

                  

                    

                      

                        

                          
                          

                            
                            
                          

                        

                      

                    

                    

                      

                        

                          Moderators
                        

                        
Choose additional moderators (mods.) for your analysis

                      

                      

                        

                          
                          

                            
                            
                          

                        

                      

                      

                        

                          
                          

                            
                            
                          

                        

                      

                      

                        

                          
                          

                            
                            
                          

                        

                      

                      

                        

                          
                          

                            
                            
                          

                        

                      

                    

                    

                      

                    

                  

                

              

            

            

              

                

                  
                  

                    

                      
This table displays the studies, effect sizes, and moderator values included in the meta-analysis. 
                             The information on this table differs from the table in the “data overview” section, because that 
                             table includes studies coded for examining the same topic, but for which effect sizes were not computed.

                      

                    

                    

                      

                        
                        

                          
                          
                        

                      

                      

                        

                          
                          

                            
                            
                          

                        

                      

                      

                        
This is a violin plot which plots the log-transformed proportion of cooperation, 
                                              including the probability density of the effect sizes at different values, 
                                              which is smoothed by a kernel density estimator. The violin plot includes 
                                              a marker for the median and a marker for the interquartile range.

                        

                          See:
                          https://en.wikipedia.org/wiki/Violin_plot
                        

                        

                      

                      

                        
This is a forest plot that displays the log-transformed proportion 
                                                    of cooperation in the selected treatments, including the overall result of the meta-regression.

                        

                          See:
                          https://en.wikipedia.org/wiki/Forest_plot
                        

                        

                      

                    

                    

                      

                        

                      

                      
                      

                      
Raw output

                      

                    

                  

                

              

              

                

                  

                    

                      
Download data

                    

                  

                  

                    

                      

                        

                          

                            
                              
                            
                          

                          
Selected dataset (.csv)

                        

                        

                          
                        

                      

                    

                  

                

              

            

          

          

            

              Analyze citations
            

            
The network below shows papers and their citations. Larger nodes are more highly cited papers.

            

              To improve visualization performance, we only display papers from CoDa that are cited at least 2 times. For a static version including all citations, click
              
                www/data/citation-full.pdf
                here
              
              .
            

            
            

            

            

              
              

                
                
              

            

            

              
              
            

            

              

                
              

            

            

            

          

          

            

              

                

                  

                    
Ontology overview

                  

                

                

                  

                    Explore the ontology of Independent Variables
                  

                  
The image  shows all the Independent Variables (IV) that were used to annotate studies and their treatments. The size of the bubbles indicate how many treatment were annotated with the IV. Click on a chosen circle to zoom in and see the subclasses, and click on the external circles to zoom out. For a more specific description of the IVs, you can refer to the table below.

                  

                

              

            

            

              

                

                  

                    
Independent Variables details

                  

                

                

                  

                    Below a description of the independent variables, their moderators, and their possible values. For further details, see also 
                    https://data.cooperationdatabank.org/
                    .