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| Name | Class |
|---|---|
| McMaster University | OTHER |
| University of Ottawa | OTHER |
| Asociacion Colaboracion Cochrane Iberoamericana | OTHER |
| University of Milan |
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The purpose of this randomised controlled trial is to compare a new standardised summary format for presentation of synthesised evidence from systematic reviews for the public (a new plain language summary format) to the current format used in Cochrane systematic reviews. The study will evaluate if the new presentation improves understanding about the benefits and harms of an intervention, if it improves the accessibility of the information, and if it is preferred over other versions by the public over the current format.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| New plain language summary format | Experimental | New plain language summary format of a Cochrane systematic review |
|
| Current plain language summary format | Active Comparator | Plain Language Summary format for the public currently in use in Cochrane systematic reviews |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| New plain language summary format | Other | New plain language summary includes qualitative and quantitative description of text (absolute effects and natural frequencies provided); quantitative results provided in a table; quality of the evidence according to GRADE provided in a table; question and answer format; follows principles of linguistic frameworks (e.g. progressive movements from introduction to 'bottom line') |
| Measure | Description | Time Frame |
|---|---|---|
| Understanding of benefits and harms | Average proportion of people who answered 5 multiple choice questions correctly. Each question includes five response options about the number of people who could benefit or be harmed by the intervention and about the quality of evidence | After reading summary - time 0 |
| Measure | Description | Time Frame |
|---|---|---|
| Number of questions answered correctly | Total number of questions out of five questions for benefits and harms that were answered correctly | After reading summary - time 0 |
| Measure | Description | Time Frame |
|---|---|---|
| Understanding of the purpose of the summary | A multiple choice question with three options | after reading summary - time 0 |
| Understanding the producer of the summary | A multiple choice question with three options |
Inclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Claire Glenton, PhD | Norwegian Knowledge Centre for the Health Services | Principal Investigator |
| Holger J Schunemann, MD PhD | McMaster University | Principal Investigator |
| Nancy A Santesso, RD PhD cand | McMaster University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Argentine Cochrane Centre, Instituto de Efectividad Clínica y Sanitaria (IECS) | Buenos Aires | Argentina | ||||
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| ID | Term |
|---|---|
| D001519 | Behavior |
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| OTHER |
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| Current plain language summary format | Other | Current plain language summary includes qualitative description of effects only; inconsistent description of the quality of the evidence; paragraph of text; inconsistent flow of information |
|
| after reading summary - time 0 |
| Usability and accessibility | Five questions about whether information was easy to find and understand, reliable, and useful to someone making a decision. Measured using a 7 point Likert scale (strongly agree to strongly disagree). | after reading summary - time 0 |
| Preference for the new format or the old format | 7 point likert scale | after reading both summaries - time 0 |
| University of Ottawa |
| Ottawa |
| Ontario |
| Canada |
| University of Milan | Milan | Italy |
| Norwegian Knowledge Centre for the Health Services | Oslo | Norway |
| Centro Cochrane Iberoamericano - Hospital de la Santa Creu i Sant Pau | Barcelona | Spain |