The study also found that children whose fathers came from a high social economic status were more likely to make a bigger difference to a child's development. Dr Daniel Nettle, who led the research, said, 'It is not surprising that fathers who may have more skills themselves have a greater impact in terms of passing them on, but these results are still very interesting.' The study, published in next month's Journal of Evolution and Human Behaviour, examined why some fathers are more involved than others and the...