Introduction to Woodcock-Johnson® IV (WJ IV)[NelsonClassroom]. (2020, January 23). Introduction to Woodcock-Johnson® IV (WJ IV) [Video]. YouTube. https://youtu.be/2DrFWAXKGsY
This video below provides information about the WJ-IV ACH assessment battery. The video also includes the WJ-IV COG. You can start the video at 22:59-41:00.