What emerges is that with each wave respondents thought that levels of immigration are getting higher, a situation unlikely to arise in relative short period of 3 month between each wave. (blog.politics.ox.ac.uk)
Ultimately, we can not simply look at surface or atmospheric warming trends over relative short periods of time and extrapolate forward. (niskanencenter.org)
You should fall asleep in a relative short period of time (typically less than 15 minutes). (sock-doc.com)