Before revision: The NTL learning pyramid study being lost, the field largely stands on an unknown methodology of unknown quality, with unknown mitigation of influential parameters such time, population tested, etc., making the original study's results untrustworthy.
After revision: asThe NTL learning pyramid study being lost, the field largely stands on an unknown methodology of unknown quality, with unknown mitigation of influential parameters such time, population tested, etc., making the original study's results untrustworthy.