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RE: Do Visceral States Like Hunger Affect Morality?
Yes that is almost always the problem with these kind of studies. I think a really big sample size would be really unlikely due to the costs involved - the best we are likely to get are repeats with similar sizes.
Yeah, Well in reality repeats are as good as increasing the sample size so long as the experiments are performed similarly and the generated data is comperable. So hopefully more is done to increase (or decrease) the certainty here. :)
I suspect they will be done but you never know - unlike drug trials these psychology experiments sometimes get overlooked for repetition.
It's likely because repetition experiments are difficult to publish. The results are no longer sexy once they are already out in the world (despite how important repetition studies are).
Very good point! It is especially true in psychology where everyone wants the next new thing:) Sadly it means that we end up with weaker validity.