It seems the hypothetical may be doing a lot of work there for Plomin: see pp. 9-10 of https://www.tandfonline.com/doi/abs/10.1080/02680939.2016.1139189 https:/

It seems the hypothetical may be doing a lot of work there for Plomin: see pp. 9-10 of https://www.tandfonline.com/doi/abs/10.1080/02680939.2016.1139189 https://www.tandfonline.com/doi/abs/10.1080/02680939.2016.11...