Instruments
THE AIRCRAFT DOSN'T KNOW IT IS IN CLOUD!
Obvious you may think but often ignored. Think how you teach ab-initio, starting at the beginning and take your student through the same process; Primary and Further Effects of Controls and so on but now with a more detailed analysis of Attitude/Performance instruments as you work through. The student shouldn't transfer onto flying by sole reference to the panel until they reach the stage when the panel stimulates in their mind a picture of the world outside. 'Spatial Awareness'. It is only then that they are able to apply the additional skills.