I’m Tom, 23 year old uni drop out (existential apathy is a killer), majored in Bioscience for what its worth. Saw the name of this site while browsing tvtropes and was instantly intrigued, as “less wrong” has always been something of a mantra for me. I lurked for a while and sampled the sequences and was pleased to note that many of the points raised were ideas that had already occurred to me.
Its good to find a community devoted to reason and that seems to actually think where most people are content not to. I’m looking forward suckling off the collective wisdom of this community, and hopefully make a valuable contribution or two of my own.
I think he is more suggesting that the number of confounding factors in psychology experiments is generally far higher than in the natural sciences. The addition of such uncontrollable factors leads to a generally higher error rate in human sciences.