Determining the optimal discussion group size to improve performance and learning has created an intense debate in psychology provided mixed findings laboratory field settings. In a quasi-experimental study education field, we examined effect of on individual biology exercise performed tablet with stylus. The sample involved 102 secondary school students divided into four classes, each correspo...

What determines the number of cultural traits present in chimpanzee (Pan troglodytes) communities is poorly understood. In humans, theoretical models suggest that the frequency of cultural traits can be predicted by population size. In chimpanzees, however, females seem to have a particularly important role as cultural carriers. Female chimpanzees use tools more frequently than males. They also...

Badgers (Meles meles) have been the focus for the development of a pervasive model of social grouping behaviour, relevant to a number of carnivore species and other taxonomic groups – the Resource Dispersion Hypothesis (RDH). The RDH hypothesises that the dispersion and richness of resources in the environment provide a passive mechanism for the formation of groups, even without any direct bene...