[lemma=can] [lemma=improve] [□] □
[lemma=can] [lemma=improve] [□=□] □
[lemma=can] [lemma=improve] [□ | □] □
As a result , GDLs can improve knowledge of the nature of data , identify the responsibility of " who does what , when , and how " , and inform about the physical location of the documents . Speech can improve usability by removing keys from the interaction , easing comprehension , and cutting navigation time . Triangulation and crosschecks on the results of different methods can improve confidence in the overall study . Older Drivers at a Crossroadsby David A. Morena , W. Scott Wainwright , and Fred RanckDesign and operational intersection treatments that simplify traffic movement and driving decisions can improve safety for motorists , both young and old . If the problem possesses natural subcategories , one can improve accuracy by finding the clusters and classifying in two stages - - subcategory classification followed by final classification .