They have. Or at least, replication studies have called the publication into question. And the marshmallow study the article cites is questionable. Frankly, th

They have. Or at least, replication studies have called the publication into question. And the marshmallow study the article cites is questionable. Frankly, the whole edifice of psych research is built on top of a statistical lie that only 1 in 20 experiments will fail to replicate, when it's more like 1 in 3: https://digest.bps.org.uk/2015/08/27/this-is-what-happened-when-psychologists-tried-to-replicate-100-previously-published-findings/ https://digest.bps.org.uk/2015/08/27/this-is-what-happened-w...