"J. Scott Armstrong: Fewer than 1 Percent of Papers in Scientific Journals Follow Scientific Method"
December 03, 2018
Maybe academic researchers and those who love them shouldn't read this. It's as discouraging as discouraging can be about research.
I would guess that many papers fail to satisfy the third requirement listed by Professor Armstrong: "Full disclosure of methods, data and other relevant information". A small bit of good news is that, at least in economics, that seem to be (slowly) improving.
UPDATE: see Armstrong's "Guidelines for Science: Evidence-based Checklists" for a more general argument. (Thanks to Mike for the comment.)