first of all 88 families is a very small sample, restricting it to middle class makes the study even less useful. secondly, every other generation so far in every country has lived through wars, disasters etc - basically the entire world has 3rd generation kids who are traumatized by their grandparents or parents stories about war, destruction etc. why singling out Israelies again?
Turkish warplanes destroy PKK targets in northern Iraq, say military sources (Reuters)
from the article: Study: Holocaust trauma affects grandchildren of survivors