Eye-catching studies that didn’t make the final cut:
We’re more likely to take the stairs (rather than the escalator) if the person before us does. Effect is more modest between strangers.
Early birds flock together – ‘morning’ people are more likely to form a relationship with other morning people (ditto for night owls). ‘…[T]wo extreme chronotypes are unlikely to meet each other because they have the smallest overlap in their preferred active time during the day due to the circadian rhythmicity.’
A forbidden fruit effect: ‘implicitly preventing people from attending to desirable relationship alternatives may undermine, rather than bolster, the strength of that person’s romantic relationship …’
An intergroup investigation of disparaging humor. ‘The findings revealed that both men and women exhibited in-group bias by rating jokes about the opposite gender funnier and more typical than jokes about their own gender…’.
‘…the breastfeeding confederate was rated significantly less competent in general, in math and work specifically, and was less likely to be hired … Results suggest that although breastfeeding may be economical and healthy, the social cost is potentially great’.