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Samples in periodicals archive:
The middle child syndrome was well established in this household with the third-born holding fast to her claim of being the neglected one as well as the one bullied the most.
There is even a name for it; Middle Child Syndrome.
Being an over-achiever could well stem from not getting as much attention, however, other scientists have come up with something known as Middle Child Syndrome.
Hanging Up is what is patronisingly known as a 'chick flick' because it's about three sisters, emotions and a phenomenon known as middle child syndrome.
Perhaps it was middle child syndrome - the twins, Damon and Derrel, are 21 months older; Lendl, four years younger - or maybe he was simply following his father, Captain Quiet.
Some psychologists argue that middle child syndrome affects the parents rather than their offspring, claiming that children's behaviour is moulded by how their mother and father handle and teach them.
Hopefully, we won't have any middle child syndrome.