Dan Quintana

How to calculate statistical power for your meta-analysis

The majority of studies in the biobehavioral sciences are statistically underpowered, which reduces the chance that a statistically significant finding reflects a true effect.

How to calculate accurate sample size requirements by modeling an effect size distribution

Using R to create a Twitter sentiment wordcloud

Yesterday I was writing up the results from our recent intranasal oxytocin trial. In the draft of the introduction, I wrote that oxytocin is popularly known in the lay community as the ‘hug hormone’ or the ‘love chemical’.