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This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

D2 Test of Attention

42 Shared Subjects

N/A
Clinical Assessments
Cognitive
05/09/2016
d2testa01
05/09/2016
View Change History
01
Definition
Submission Template
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::1440 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 visit String 60 Recommended Visit name follow_up
Query study_level Integer Recommended Last degree succeeded 1;2;3 Level 1: school leaving certification; level 2: high school study level; level 3: high school diploma and higer education
Query ttt_arms String 3 Recommended Treatment arms of this study. Individualized therapy (RECOS program) compared with the more general Cognitive Remediation Therapy (CRT) CRT;REC
Query series Integer Recommended Numerical order of series
Query d2_tn Integer Recommended Total number of symbols processed, raw
Query d2_tne Integer Recommended TN-E Symbols recognized correctly
Query d2_e Integer Recommended E Total number of errors (E1+E2)
Query d2_e1 Integer Recommended E1 Omitted
Query d2_e2 Integer Recommended E2 Confused
Query d2_e2l Integer Recommended E2L Wrong letter
Query d2_e2d Integer Recommended E2D Wrong number of dots
Query d2_ep Integer Recommended E% Error percentage
Query d2_fl Integer Recommended FL Fluctuation
Query d2_tn_nv Integer Recommended TN Total number of symbols processed, normed
Query d2_tne_nv Integer Recommended TN-E Symbols recognized correctly, normed
d2_ep_nv String 100 Recommended E% Error percentage, normed
Query d2_fl_nv Integer Recommended FL Fluctuation, normed
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.

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