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| Stands For.. | Overview | |
|---|---|---|
T | Type of Variable | The most common types are dates, number, coded variables (e.g., 0 = No, 1 = Yes; Tell us if more than one option can be selected). |
L | Layout and Logic | Indicate the look and feel of the variable, and when it should be displayed (e.g., only show if subject is a male). |
V | Validation | Indicate the rules that govern the acceptable variable values (acceptable range, units) |
T - Type of Variable
Use A Spreadsheet
Document your data definition using the spreadsheet here.
Mark It UP
If sending us forms (CRFs), mark up the form with the data definition.
Example Marked Up Form
L - Layout and Logic
Keep It Simple
The standard look and feel a is one row per variable layout which is standard practice and always used if possible.
Connect Forms And Variables
The standard loo
Connect Forms and Variables
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Form (CRF/Questionnaire/Measure) Information
Attribute | What’s Needed |
|---|---|
History | Is the form (or similar form) in another StudyTRAX project? |
Formatting and Layout | Will subjects enter the data? (i.e, need multi-device format) |
Does the format / layout matter? (easiest/simplest electronic user-experience) | |
Describe any special formatting | |
Skip Patterns | When is the variable/form either shown / hidden? |
Example: Skip Pattern logic
Form | Skip logic / condition |
Pregnancy Test | Hide form for males |
Demographic Data | Show text box if ‘other’ is selected for Race |
Variable Standards and Defaults
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