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Accumulating research provides evidence for a provocative idea that certain behaviors — such as smoking and eating habits — are contagious. Data suggest that we’re influenced not only by the behavior of our friends, family, and acquaintances, but also by the behavior of the people they know, and so on. How do these behaviors diffuse through a series of social connections? ... More>
Children’s behavior is rich, complex, and fascinating. But it is transient. At every time scale, from milliseconds to months, behavior happens and then it vanishes. Newborns’ “gas smiles” metamorphose into expressions of real pleasure, babies’ babbles become reciprocal conversations and teen poetry jams, and infants’ awkward toddling steps transform into ballet recitals and soccer goals. But all of it disappears into the ether as soon as the moment has passed. ... More>
When considering all the ways smartphones have revolutionized our society, their impact on psychological research may not be at the top of most people’s lists. But the new ubiquity of handheld communications devices has granted researchers unprecedented access to their subjects. ... More>