Is the threshold for gaining Basic Skills really one SPL level?
Yes, as indicated in the impact paper. We recognize that either a longer duration or higher level of intensity may be required for movement of one SPL level. However, it may be advantageous to let us know the significant gains (leading up to an SPL level). For example, a significant gain on the BEST+ test is 33 points or more and a .4 point or more gain on the REEP test. The approach/milestones would be a natural place for it.