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Assessment of diagramming effectiveness |
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| Measure |
Graphic Elicitation (Diagrams B/C) |
Participatory Diagramming (Diagram A) |
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| 6 |
Number (mean (range)) of positions/organizations added to diagram physically and verbally |
Physical: 7 (1–15) Verbal: 0 (0–7) |
Physical: 2 (0–11) Verbal: 1 (0–8) |
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| 7 |
Number (mean (range)) of unique positions/organizations added to diagram physically and verbally – excluding the 23 unique positions/organizations presented on Diagrams B/C |
Physical Unique: 4 (0–9) Verbal Unique: 0 (0–3) |
Physical Unique: 1 (0–9) Verbal Unique: 1 (0–5) |
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| 8 |
Number (mean (range)) of relationships (arrows/lines) added to diagram physically and verbally |
Physical: 7 (0–20) Verbal: 1 (0–11) |
Physical: 3 (0–18) Verbal: 2 (0–12) |
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| 9 |
Number (mean (range)) of unique relationships (arrows/lines) added physically and verbally – excluding the 33 unique relationships presented on Diagrams B/C |
Physical Unique: 4 (0–12) Verbal Unique: 1 (0–6) |
Physical Unique: 3 (0–16) Verbal Unique: 2 (0–12) |
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| 10 |
Number (mean (range)) of relationships (arrows/lines) modified physically and verbally |
n/a |
Physical: 3 (0–12) Verbal: 3 (0–12) |
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| 11 |
Percentage of interviewees returning to Diagram A after viewing Diagrams B/C |
17% (11/64) returned |
n/a |
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| 12 |
Number (mean (range)) of additions/edits made to Diagram A after viewing Diagrams B/C |
Positions/Organizations added/edited upon return to Diagram A: 1 (0–2) Relationships added/edited upon return to Diagram A: 1 (0–4) |
n/a |
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| Qualitative observations |
Verbal comments accompanying diagrams captured greater breadth of response reflecting information not identified in pre-interview review work. |
Verbal comments accompanying diagrams focused on researcher-prepared items, with responses including more details, insights and examples. |
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Umoquit et al. BMC Medical Research Methodology 2008 8:53 doi:10.1186/1471-2288-8-53 |
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