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Tag Archives: original research

Sleep Support: An Individual Randomized Controlled Trial

I worry my sleep quality isn’t great. On weekends, no matter when I go to bed, I sleep until 11 or 12. When I wake up, I feel like I’ve overslept. But if I try to make myself get up … Continue reading

Assortative Mating And Autism

Introduction Assortative mating is when similar people marry and have children. Some people worry about assortative mating in Silicon Valley: highly analytical tech workers marry other highly analytical tech workers. If highly analytical tech workers have more autism risk genes … Continue reading

[Partial Retraction] Age Gaps and Birth Order Effects

On Less Wrong, Bucky tries to replicate my results on birth order and age gaps. Backing up: two years ago, I looked at SSC survey data and found that firstborn children were very overrepresented. That result was replicated a few … Continue reading

Attempted Replication: Does Beef Jerky Cause Manic Episodes?

Last year, a study came out showing that beef jerky and other cured meats, could trigger mania in bipolar disorder (paper, popular article). It was a pretty big deal, getting coverage in the national press and affecting the advice psychiatrists … Continue reading

Do People Like Their Mental Health Care?

Along with more specific questions, I asked people who took the SSC survey to rate their experience with the mental health system on a 1 – 10 scale. About 5,000 people answered. On average, they rated their experience with psychotherapy … Continue reading

Survey Results: Sexual Roles

I already started analyzing the SSC survey data on fetishes, but I wanted to move on to look at dominance, submission, sadism, and masochism. Why might this be interesting? For one thing, some people have fetishes for things that seem, … Continue reading

A Critical Period For Lactation Fetishes

Enquist et al on lactation fetishes is one of my favorite papers. They wonder – as we’ve all wondered at one point or another – how people develop fetishes. One plausible hypothesis is “sexual imprinting”. During childhood, you have a … Continue reading

Age Gaps And Birth Order Effects

[Parts of this post have since been shown to be wrong, as explained in this post. I endorse this reanalysis as better than the current post.] Psychologists are split on the existence of “birth order effects”, where oldest siblings will … Continue reading

Update To Partial Retraction Of Animal Value And Neuron Number

A few weeks ago I published results of a small (n = 50) survey showing that people’s moral valuation of different kinds of animals scaled pretty nicely with the animals’ number of cortical neurons (see here for more on why … Continue reading

[PARTIALLY RETRACTED] Cortical Neuron Number Matches Intuitive Perceptions Of Moral Value Across Animals

[EDIT: No longer confident in this post, see here.] Yesterday’s post reviewed research showing that animals’ intelligence seemed correlated with their number of cortical neurons. If this is true, we could use it to create an absolute scale that puts … Continue reading