Leader mood can influence group-member mood, group affective tone, and some group processes in experimental settings.

This page isolates one claim from the wider argument of The Human OS Manual.

The classification describes the evidence supporting this claim, not the Human OS framework as a whole.

Sy, Côté, and Saavedra found that groups exposed to leaders in positive versus negative mood conditions differed in member mood, group affective tone, coordination, and effort expenditure.

The study does not establish that leader mood determines team outcomes, that positive mood is always superior, or that regulated leadership means remaining calm or positive.

The book extends the result from formal leadership into broader asymmetries of influence. That wider application remains synthesis.

Developing findings or mechanisms that help explain possibility without establishing universal outcomes or direct real-world effects.

Sources are listed according to the role they play in this claim. One source may provide direct support, another may explain a mechanism, establish a limitation, or prevent an interpretation from becoming broader than the evidence allows.

The printed book preserves the claim inside the argument that gives it meaning. These references connect the current digital record to the first-edition evidence trail.

This claim connects to the following parts of the Human OS architecture. The module labels locate the claim inside the framework; they do not imply that the research source validates the architecture itself.