I quote from
FLIGHT SAFETY AUSTRALIA, SEPTEMBER-OCTOBER 2002 page 17 – 'whoose plane is it anyway' - diagrams are in the magazine. Beware of the ambiguity in the downslope description.
Pilots may incorrectly perceive they are too high if:
The runway is narrower than usual.
The runway is longer than usual.
The runway slopes up from the threshold.
The terrain slopes up to the threshold.
The approach is flown over featureless terrain including water and unlit ground.
Visibility is significantly better than usual.
The runway and approach lights are brighter than usual.
Pilots may incorrectly perceive they are too low if:
The runway slopes
down from the threshold.
The runway is wider or shorter than usual.
The runway and approach lights are dimmer than usual.
Visibility is poor.