"Predictability studies" refer to research or investigations carried out to understand and determine the level of certainty or likelihood of a particular event or outcome occurring in the future. Full definition
And we have conducted now for many years what you may call classical predictability studies, perfect model experiments. (deepclimate.org)
Latif, M., M. Collins, H. Pohlmann, and N. Keenlyside, 2006: A review of predictability studies of Atlantic sector climate on decadal time scales. (usclivar.org)
There exists no sound theoretical framework for climate predictability studies.» (desmogblog.com)