Comment Social Sciences are hard to constrain (Score 1) 174
Which makes it very very hard to do research on. In addition effects may change over time, e.g. as a person's individual psychology changes as they age or as culture changes people over time. Doing research in a natural system, like the Social Sciences, is very hard. It is much harder than Physics, Chemistry, or other such Sciences. It is much harder than putting together a cutesy mobi app. And longitude studies are even harder to do well.