This presentation contains a historical overview of the derivation of the
Glr ability domain in contemporary CHC theory. It then presents new data, as well as historical conclusions of the CHC masters, that makes a strong case for replacing the stratum II broad ability domain of
Glr with two separate broad ability domains of
Gl (learning efficiency) and
Gr (retrieval fluency). How to obtain WJ IV scores for these two broad abilities is presented, as well as other possible Gl and Gr tests indicators from the CHC cross-battery literature.
A pdf copy of this set of slides, one per page, can be
downloaded here.
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