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Data Structures with shared data
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Feelings of Difficulty Ratings

37 Shared Subjects

N/A
Clinical Assessments
Questionnaire
01/12/2018
fdr01
01/12/2018
View Change History
01
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1260 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
Query fdr01 Integer Recommended How easy or difficult do you think this task will be? 1::7 1= Extremely easy; 2= Very Easy; 3= Somewhat easy; 4= Typical (neither easy, nor difficulty); 5= Somewhat difficult; 6= Very difficult; 7= Extremely difficult
Query fdr02 Integer Recommended How easy or difficult do you think that task was? 1::7 1= Extremely easy; 2= Very Easy; 3= Somewhat easy; 4= Typical (neither easy, nor difficulty); 5= Somewhat difficult; 6= Very difficult; 7= Extremely difficult
Query fdr03 Integer Recommended How do you think you performed on that task 1::7 1= Extremely well; 2= Very well; 3= Somewhat well; 4= Typical (neither well, nor poorly); 5= Somewhat poorly; 6= Very poorly; 7= Extremely poorly
Query fdr04 Integer Recommended How much effort did it take you to complete this task 1::7 1= Extremely low; 2= Very low; 3= Somewhat low; 4= Typical (neither low, nor high); Somewhat high; 6= Very high; 7= Extremely high
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

Please email the The NDA Help Desk with any questions.