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Warning Notice 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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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

Dual Span Test

0 Shared Subjects

N/A
Clinical Assessments
Task Based
06/27/2016
dsd01
06/29/2016
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* guid
src_subject_id String 20 Required Subject ID how it's defined in lab/project catieid, id, participant_id, randid, record_id, subject_id, subjid
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY bprs_doa, intvdate
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. intvage
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
study_id Integer Recommended Study ID number 46=Acute Phase; 47=Stabilization Phase
study_condition Integer Recommended Study condition to which participant was assigned 1::7 1 = Cognitive remediation; 2 = Comparison condition; 3 = Other; 4= treatment as usual; 5= Computers first; 6= CRT first; 7=SCIT
time_point Integer Recommended Assessment time point 1=Baseline (STARD); 2=Level exit (STARD); 3= Quarterly follow up (STARD);5= Screening; 10= Baseline; 21, 22, 23 = Mid-point 1, 2, 3; 30= End-of-treatment; 41, 42, 43= Follow-up1, 2, 3 etc.; 601 = 6 Month Reassessment ; 602 = 12 Month Reassessment ; 603 = 18 Month Reassessment
days_baseline Integer Recommended Days since baseline date
dualsp Integer Recommended Dual span length (i.e. lowest level -1 at which 2/3 number sequences are recalled incorrectly) minus one 1::10; 99999 99999 = Missing/NA
span Float Recommended Dual task: percentage of sequences of span-1 length correct with span recall alone 0::100; 99999 99999 = missing/NA
sptra Float Recommended Dual task: percentage of sequences of span-1 length correct at span recall with tracking 0::100; 99999 99999 = missing/NA
seq_er Integer Recommended Dual task: percentage of incorrect sequences in span recall with tracking where all no.s were correct but misordered 0::100; 99999 99999 = missing/NA
ext_er Integer Recommended percent of incorrect sequences in span recall with tracking where extra no.s were added to an otherwise correct sequence 0::100; 99999 99999 = missing/NA
mis_er Integer Recommended percent of incorrect sequences in which a single number is omitted from an otherwise correct sequence 0::100; 99999 99999 = missing/NA
oth_er Integer Recommended percent of sequences which were incorrect due to other errors (i.e. those not included in other error variables) 0::100; 99999 99999 = missing/NA
tralev Integer Recommended Dual task: tracking speed level 1::20; 99999 99999 = Missing/NA
track1 Integer Recommended Dual task: Percentage of time on target in first minute - tracking alone 0::100; 99999 99999 = missing/NA
track2 Integer Recommended Dual task: Percentage of time on target in second minute - tracking alone 0::100; 99999 99999 = missing/NA
track3 Integer Recommended Dual task: Percentage time on target in third minute - tracking alone 0::100; 99999 99999 = missing/NA
track Float Recommended Dual task: average percentage time on target over minutes 1, 2 and 3 - tracking alone 0::100; 99999 99999 = missing/NA
trspa1 Integer Recommended Dual task: percentage time on target in first 30 seconds - tracking with span recall 0::100; 99999 99999 = missing/NA
trspa2 Integer Recommended Dual task: percentage time on target in 2nd 30 seconds - tracking with span recall 0::100; 99999 99999 = missing/NA
trspa3 Integer Recommended Dual task: percentage time on target in 3rd 30 seconds - tracking with span recall 0::100; 99999 99999 = missing/NA
trspa4 Integer Recommended Dual task: percentage time on target in 4th 30 seconds - tracking with span recall 0::100; 99999 99999 = missing/NA
trspa5 Integer Recommended Dual task: percentage time on target in 5th 30 seconds - tracking with span recall 0::100; 99999 99999 = missing/NA
trspa6 Integer Recommended Dual task: percentage time on target in 6th 30 seonds - tracking with span recall 0::100; 99999 99999 = missing/NA
trsp12 Float Recommended Dual task: average of trspa1 and trspa2 (for use in observing practice effects) 0::100; 99999 99999 = missing/NA
trsp34 Float Recommended Dual task: average of trsap3 and trspa4 (practice effects) 0::100; 99999 99999 = missing/NA
trsp56 Float Recommended Dual task: average of trspa5 and trspa6 (practice effects) 0::100; 99999 99999 = missing/NA
trspan Float Recommended Dual task: overall mean of percentage time on target in 6 30 second episodes of tracking with span recall 0::100; 99999 99999 = missing/NA
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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