Individuals with the highest intelligence scores were more likely to stay childless. https://www.duo.uio.no/bitstream/handle/10852/72403/1/Does-Intelligence-Predict-Childlessness-In-Men.pdf …pic.twitter.com/nXDyqA8NkU
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Yes, but also for the highest intelligence group, "it is only marginally significant, and the confidence interval ranges from a 1% increase in risk of childlessness, to an almost fourfold increase." So someone should replicate with larger N.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.