The critical finding of the minnesota study of twins reared apart (bouchard, 1994; bouchard, lykken, mcgue, segal & tellegen, 1990) was that identical twins raised apart and together were a. very similar to one another, whether the overall positive correlation for a particular characteristic was strong or weakb. generally similar to each other on physical characteristics, but not on social characteristicsc. very similar to one another on nonreligious social attitudes, but quite far apart on occupational interestsd. very different from each other, depending on the families within which they were raised