Pet dogs are promising candidates to study attachment-related and potentially jealousy-like behaviours in non-human animals, as they form a strong and stable bond with their human caregivers who often engage in affiliative interactions with diverse social partners. Nevertheless, it is still debated whether non-human animals are capable of experiencing such complex emotions. Even though caregivers frequently report observations of jealousy-like behaviours in dogs, behavioural studies in dogs have...

CONCLUSION: Interventions emerging from the systematic review were heterogenous, and the outcomes of the interventions were versatile. The disparity between interventions and outcome measures made it challenging to reliably compare the effectiveness between interventions. Using standardized outcome measure instruments and unifying research on interventions are needed to reliably assess the effectiveness of different interventions.

Understanding how human mating psychology is affected by changes in female cyclic fertility is informative for comprehending the evolution of human reproductive behavior. Based on differential selection pressures between the sexes, men are assumed to have evolved adaptations to notice women's within-cycle cues to fertility and show corresponding mate retention tactics to secure access to their female partners when fertile. However, previous studies suffered from methodological shortcomings and...

Debates over universal versus selective or targeted provision of benefits in social protection programming have gained traction in recent years. In some cases, poverty targeting has been found to benefit communities, creating positive economic spillover effects even for non-recipients. However, targeted programs can also reconfigure social relations, carrying a social stigma that bifurcates communities. Drawing from rich qualitative data from a cash transfer program in Chad, we explore both the...