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Data Structures with shared data
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Dual Span Test

0 Shared Subjects

N/A
Clinical Assessments
Task Based
06/27/2016
dsd01
06/29/2016
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* 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 :: 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. 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.