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Can the written information to research subjects be improved?--an empirical study
1Department of Medical Philosophy and Clinical Theory, University of Copenhagen, Denmark.
Objectives:
To study whether linguistic analysis and changes in information leaflets can improve readability and understanding.
Design:
Randomised, controlled study. Two information leaflets concerned with trials of drugs for conditions/diseases which are commonly known were modified, and the original was tested against the revised version.
Setting:
Denmark.
Participants:
235 persons in the relevant age groups.
Main Measures:
Readability and understanding of contents.
Results:
Both readability and understanding of contents was improved: readability with regard to both information leaflets and understanding with regard to one of the leaflets.
Conclusion:
The results show that both readability and understanding can be improved by increased attention to the linguistic features of the information.