Anecdotally I agree with the message, but the research looks weak indeed.
A simple snapshot assessment and some scoring of an individual's (entire, self-reported!) social life is too simplistic. The measurements would have to be performed throughout the life of each participant with sufficiently high frequency.
A simple snapshot assessment and some scoring of an individual's (entire, self-reported!) social life is too simplistic. The measurements would have to be performed throughout the life of each participant with sufficiently high frequency.