National Institute of Mental Health Data Archive (NDA) Sign In
National Institute of Mental Health Data Archive (NDA) Sign In

Success! An email is on its way!

Please check your email to complete the linking process. The link you receive is only valid for 30 minutes.

Check your spam or junk folder if you do not receive the email in the next few minutes.

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.
Create or Link an Existing NDA Account
NIMH Data Archive (NDA) Sign In or Create An Account
Update Password

You have logged in with a temporary password. Please update your password. Passwords must contain 8 or more characters and must contain at least 3 of the following types of characters:

  • Uppercase
  • Lowercase
  • Numbers
  • Special Characters limited to: %,_,!,@,#,$,-,%,&,+,=,),(,*,^,:,;

Subscribe to our mailing list

Mailing List(s)
Email Format

You are now leaving the NIMH Data Archive (NDA) web site to go to:

Click on the address above if the page does not change within 10 seconds.


NDA is not responsible for the content of this external site and does not monitor other web sites for accuracy.

Accept Terms
Data Access Terms - Decline Terms

Are you sure you want to cancel? This will decline terms and you will not be authorized for access.

Filter Cart
No filters selected
Value Range
Data Structures with shared data
No filters have been selected
Switch User

Automated Operation Span Task

287 Shared Subjects

Clinical Assessments
Task Based
View Change History
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 aid, id, record_id, stepid, subject_id
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY intvdate, mini_date, mini_sum_date, minidt, sdate
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
Query sess Float Recommended session code
stime String 20 Recommended Session time
Query stype Float Recommended session type 0;1 training= 0; test= 1
Query trial Integer Recommended Trial number 0::400; -777; -999 1 = first; 2= second; 3=third; 4=fourth; 5=fifth; 6=sixth; etc; -777=NA, -999=missing
Query abs_score Float Recommended Absolute Score * see method
Query part_score Float Recommended Partial Score * see method
Query part_score1 Float Recommended Partial Score Block 1
Query part_score2 Float Recommended Partial Score Block 2
Query part_score3 Float Recommended Partial Score Block 3
Query speed_err_total Float Recommended Math Speed Error
Query acc_err_total Float Recommended Math Accuracy Error
Query math_err_total Float Recommended Math Total Error
Query math_correct Float Recommended Math Total Accuracy (max is 75) 0::75
Query load_size Float Recommended Load Size
Query pb1_rt Float Recommended Math Show Problem Response Time Block 1
pb2_rt String 20 Recommended Math Show Problem Response Time Block 2
pb3_rt String 20 Recommended Math Show Problem Response Time Block 3
Query op1_rt Float Recommended Math Response Time Block 1
op2_rt String 20 Recommended Math Response Time Block 2
op3_rt String 20 Recommended Math Response Time Block 3
Query op1_acc Float Recommended Math Accuracy Block 1
Query op2_acc String 20 Recommended Math Accuracy Block 2
Query op3_acc String 20 Recommended Math Accuracy Block 3
Query cc1_rt Float Recommended Letters Collect Click Time Block 1 (all clicks)
cc2_rt String 20 Recommended Letters Collect Click Time Block 2 (all clicks)
cc3_rt String 20 Recommended Letters Collect Click Time Block 3 (all clicks)
Query suj_type Integer Recommended Subject type 1;2;9 1= patient; 2 =control; 9= pilot
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.