More difficult for reader to flip or skim through. Reduces bulkiness of text for reader and allows easier cross-referencing. Online text does not yet appear to have established standard access structures with which readers are familiar. Text can be read at a pace determined by the reader. Rate of presentation of text may not be under reader s control.
Readers can suffer from eye strain from prolonged reading.
Readers can suffer health problems from using VDUs. Teaching strategies to learn to handle online text in schools is still in its infancy. Designing on-line text. Writing study guides . Designing screen displays.