15250-m-cuypers

76 Chapter 4 Table 3. DA usability test summary Category Number of comments Key findings Representative quotes Implications Usability 41 Usage of the DA was intuitive and easy Hardly needed any instructions Navigated smoothly, without extra instructions User-friendly No need for changes to improve usability Layout 26 The layout was clear and supportive of making comparisons and trade-offs Layout is clear Structured The differences are presented next to each other, that helps in the trade-off No need to change the DA layout Language 17 Used language is suitable for target group Clear language Comprehensive language No need to change the writing style Content 35 Content is complete and balanced All pros and cons per option are named clearly Good explanations The general content was approved, but some aspects need adjustments; 12 Some risk information is difficult to understand Are these numbers correct? What does this figure mean? What does the difference in color mean in the figures? Descriptive notes and legends should be added to illustrations and risk figures 30 Some details of the radiotherapy procedure needs adjustment or further elaboration Brachytherapy also involves a surgical aspect External beam radiotherapy affects the entire prostate, not solely the tumor Radiation therapy content should be refined Amount 16 Presented information is complete but can be redundant if all sections are read Very complete Still very information dense Repetition in some texts Patients should be allowed to skip parts that are not relevant to them, the message indicating this should be more prominent. The amount of information is needed to enable an informed decision. Values clarification 15 Exercises are understood and used correctly Statements help to weigh options Summary 20 The summary is not clearly recognized as a summary and natural ending of the DA Is this the end of the DA? What does it mean that I have read 4 out of 4 themes? Some representation of personal situation would be nice Summary was not recognized as being the end of the DA. Headings should more clearly indicate that a summary is presented. The clinical information entered at DA start (PSA, Gleason, eligible treatments) should also be displayed in the summary Total 212