The May 26, 2016 issue of Nature has a very interesting report on a survey that they conducted on scientific reproducibility, as well as an editorial. Both of these are available online without a paywall.

See

http://www.nature.com/news/reality-check-on-reproducibility-1.19961

for the editorial, and the main article can be found at:

http://www.nature.com/news/1-500-scientists-lift-the-lid-on-reproducibility-1.19970

Clifford Lynch
Director, CNI