Over the last 100 years there's been much fascination about whether a person's birth order among siblings has a lasting impact on their life course. Does it influence personality? Does it influence intelligence? What about other aspects of our lives? Psychologist Sarb Johal joins Lynn with research on birth order.

Over the last 100 years there's been much fascination about whether a person's birth order among siblings has a lasting impact on their life course. Does it influence personality? Does it influence intelligence? What about other aspects of our lives?

Psychologist Sarb Johal joins Lynn with research on birth order.

Go to this episode on rnz.co.nz for more details