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Filter Cart

Viewable at the top right of NDA pages, the Filter Cart is a temporary holder for filters and data they select. Filters are added to the Workspace first, before being submitted to The Filter Cart. Data selected by filters in the Filter Cart can be added to a Data Package or an NDA Study from the Data Packaging Page, by clicking the 'Create Data Package / Add Data to Study' button.

The filter cart supports combining multiple filters together, and depending on filter type will use "AND" or "OR"  when combining filters.

Multiple selections from the same filter type will result in those selections being applied with an ‘OR’ condition. For example, if you add an NDA Collection Filter with selections for both collections 2112 and 2563 to an empty Workspace, the subjects from NDA Collection 2112 ‘OR’ NDA Collection 2563 will be added to your Workspace even if a subject is in both NDA Collections. You can then add other NDA Collections to your Workspace which further extends the ‘OR’ condition.

If a different filter type is added to your Workspace, or a filter has already been submitted to the Filter Cart, the operation then performs a logical ‘AND’ operation. This means that given the subjects returned from the first filter, only those subjects that matched the first filter are returned by the second filter (i.e., subjects that satisfied both filters).

When combining other filters with the GUID filter, please note the GUID filter should be added last. Otherwise, preselected data may be lost. For example, a predefined filter from Featured Datasets may select a subset of data available for a subject. When combined with a GUID filter for the same subject, the filter cart will contain all data available from that subject, data structure, and dataset; this may be more data than was selected in the predefined filter for that subject. Again, you should add the GUID Filter as the last filter to your cart. This ensures 'AND' logic between filters and will limit results to the subjects, data structures, and datasets already included in your filter cart.

Note that only the subjects specific to your filter will be added to your Filter Cart and only on data shared with the research community. Other data for those same subjects may exist (i.e., within another NDA Collection, associated with a data structure that was not requested in the query, etc.). So, users should select ‘Find all Subjects Data’ to identify all data for those specific subjects. 

Additional Tips:

  • You may query the data without an account, but to gain access you will need to create an NDA user account and apply for access.  Most data access requires that you or your lab are sponsored by an NIH recognized institution with Federal Wide Assurance (FWA).  Without access, you will not be able to obtain individual-level data. 

    Once you have selected data of interest you can:
  • Create a data package - This allows you to specify format for access/download
  • Assign to Study Cohort - Associate the data to an NDA Study allowing for a DOI to be generated and the data to be linked directly to a finding, publication, or data release. 
  • Find All Subject Data - Depending on filter types being used, not all data associated with a subject will be selected.  Data may be restricted by data structure, NDA Collection, or outcome variables (e.g., NDA Study). ‘Find All Data’ expands the fliter criteria by replacing all filters in your Filter Cart with a single Query by GUID filter for all subjects selected by those filters.

    Please Note:
  • When running a query, it may take a moment to populate the Filter Cart. Queries happen in the background so you can define other queries during this time. 
  • When you add your first filter, all data associated with your query will be added to the Filter Cart (e.g., a Concept, an NDA Collection, a Data Structure/Element, etc.). As you add additional filters, they will also display in the Filter Cart. Only the name of filter will be shown in the Filter Cart, not the underlying structures. 
  • Information about the contents of the Filter Cart can be seen by clicking "Edit”.
  • Once your results appear in the Filter Cart, you can create a data package or assign subjects to a study by selecting the 'Package/Assign to Study' option. You can also 'Edit' or 'Clear' filters.

Frequently Asked Questions

  • The Filter Cart currently employs basic AND/OR Boolean logic. A single filter may contain multiple selections for that filter type, e.g., a single NDA Study filter might contain NDA Study 1 and NDA Study 2. A subject that is in EITHER 1 OR 2 will be returned.  Adding multiple filters to the cart, regardless of type, will AND the result of each filter.  If NDA Study 1 and NDA Study 2 are added as individual filters, data for a subject will only be selected if the subject is included in  BOTH 1 AND 2.

    When combining other filters with the GUID filter, please note the GUID filter should be added last. Otherwise, preselected data may be lost. For example, a predefined filter from Featured Datasets may select a subset of data available for a subject. When combined with a GUID filter for the same subject, the filter cart will contain all data available from that subject, data structure, and dataset; this may be more data than was selected in the predefined filter for that subject. Again, you should add the GUID Filter as the last filter to your cart. This ensures 'AND' logic between filters and will limit results to the subjects, data structures, and datasets already included in your filter cart.

  • Viewable at the top right of NDA pages, the Filter Cart is a temporary holder of data identified by the user, through querying or browsing, as being of some potential interest. The Filter Cart is where you send the data from your Workspace after it has been filtered.

  • After filters are added to the Filter Cart, users have options to ‘Create a Package’ for download, ‘Associate to Study Cohort’, or ‘Find All Subject Data’. Selecting ‘Find All Subject Data’ identifies and pulls all data for the subjects into the Filter Cart. Choosing ‘Create a Package’ allows users to package and name their query information for download. Choosing ‘Associate to Study Cohort’ gives users the opportunity to choose the Study Cohort they wish to associate this data.


  • Once your filter cart contains the subjects of interest, select Create Data Package/Assign to Data Study which will provide options for accessing item level data and/or assigning to a study.  

  • Once queries have been added to your workspace, the next step is to Submit the Filters in the workspace to the Filter Cart.  This process runs the queries selected, saving the results within a filter cart attached to your account.  

  • The Workspace within the General Query Tool is a holding area where you can review your pending filters prior to adding them to Filter Cart. Therefore, the first step in accessing data is to select one or more items and move it into the Workspace. 


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NDA provides a single access to de-identified autism research data. For permission to download data, you will need an NDA account with approved access to NDA or a connected repository (AGRE, IAN, or the ATP). For NDA access, you need to be a research investigator sponsored by an NIH recognized institution with federal wide assurance. See Request Access for more information.

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Data Structures with shared data
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Harter's Self-Concept Measures. Adolescent and Child Version

1,116 Shared Subjects

Clinical Assessments

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*
src_subject_id String 20 Required Subject ID how it's defined in lab/project id
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 days_baseline Integer Recommended Days since baseline dayha, dayhc
Query assbdic String 5 Recommended Assessment Point D;14;E;24;LB;36;72;96;120; 9; B; 3; 7; 144; 168;192; C D=MTA baseline assessment; 14=MTA 14 month assessment; E=MTA early termination assessment; B = MTA Pre-Baseline Screening Assessment (579/579); 09 = MTA 9 Month Assessment (530/530); 24=MTA 24 month assessment; LB=LNCG baseline assessment; 36=MTA and LNCG 3 year assessment; 72=MTA and LNCG 6 year assessment; 96=MTA and LNCG 8 year assessment; 03 = MTA 3 Month Assessment (438/687);120=MTA and LNCG 10 year assessment; 7= 7th Grade Assessment (221/276); 144 = MTA & LNCG 12 Month Assessment (578/578); 168 = MTA & LNCG 14 Month Assessment (585/585); 192 = MTA & LNCG 16 Month Assessment (505/505); C = MTA Pre-Baseline Screening Assessment (78/78) assha, asshc
Query relationship Integer Recommended Relationship of respondent to individual
1 = Biological mom; 2 = Biological dad; 3 = Grandparent; 4 = Special education (sped) teacher; 5 = General education teacher; 6 = Occupational therapist; 7 = Speech and language therapist; 8 = Behavioral therapist; 9 = Paraprofessional; 10 = Aide; 11 = Principal; 12 = Administrator; 14 = Content teacher; 15 = Parent center director; 16 = Self; 17=Adoptive mother; 18=Adoptive father; 19=Foster mother; 20 = Foster father; 21=Grandmother; 22=Grandfather; 23=Step-mother; 24 = Step-father; 25=Aunt; 26=Uncle; 28=Both parents;31= Grandmother from mother side; 32= Grandfather from mother side; 33= Grandmother from father side; 34= Grandfather from father side; 36= Brother; 37= Sister; 38= Cousin; 39= female caregiver; 40=male caregiver; 41=Female child; 42=Male child; 43=Spouse/Mate; 44=Friend; 45=Parent; 46=Significant other; 47=Sibling; 48=Son/Daughter; 49=Son-in-law/Daughter-in law; 50=Other Relative; 51=Paid caregiver; 52=Friends; 53=Roommate; 54=Supervisor; 55=mother's boyfriend; 56=other parental figure; 57=Summary; 58=counselor ; 59 = other female relative; 60 = other male relative; 61 = non-relative ; 62=Maternal Aunt; 63=Maternal Uncle; 64=Maternal Cousin; 65 = Paternal Aunt; 66=Paternal Uncle; 67=Paternal Cousin ; 68=Biological/Adoptive Mother and Grandmother; 69=Biological/Adoptive Mother and Stepmother and Grandmother; 70=Biological/Adoptive Mother and Grandmother and Foster Father; 71=Biological/Adoptive Mother and Stepmother and Foster Mother; 72=Biological/Adoptive Mother and Foster Mother; 73=Biological/Adoptive Mother and Biological/Adoptive Father; 74=Biological/Adoptive Mother and Stepmother and Biological/Adoptive Father; 75=Biological/Adoptive Mother and Other; 76=Biological/Adoptive Mother and Stepmother and Stepfather; 77=Biological/Adoptive Mother and Stepfather; 78=Biological/Adoptive Mother and Grandfather; 79=Biological/Adoptive Mother and Stepmother and Foster Father; 80=Biological/Adoptive Mother and Stepmother; 81=Guardian, female; 82=Other female; 83=Guardian, male; 84=Other male; 85=Other/Grandparent/Nanny; 86 = Mother, Father, Guardian; 87 = Daughter, son, grandchild; 88 = Professional (e.g., social worker, nurse, therapist, psychiatrist, or group home staff); -999=Missing; 89 = Biological parent; 90=Other; 91 = Stepparent; 92 = Adoptive parent; 93 = Foster parent relha, relhc
Query actbdic Integer Recommended Active status 0::5 0=Inactive-Data collected after the 14 month treatment phase/after early termination from treatment phase/prior to treatment phase; 1=Active-Data collected during the 14 month treatment phase while subject received originally assigned treatment regardless of degree of compliance; 2=Active-This is the last active assessment for subjects who were about to violate treatment arm by receiving alternate treatment; 3=Active-This is the last active assessment for subjects who were about to leave the study by moving away;4=Yes, Active; 5=No, Not Active actha, acthc
Query site String 101 Recommended Site Study Site sitenum
Query sjtyp Integer Recommended Subject type 1;2 1=MTA randomized trial subject; 2=Local normative comparison group (LNCG) subject
Query version_form String 121 Recommended Form used/assessment name
Query ha1 Integer Recommended Smart 1::4 1=Aren't so sure and wonder if you are smart; 4=Feel you are just as smart as others your age hc7
Query ha2 Integer Recommended Making friends 1::4 1=Find it hard to make friends; 4=Pretty easy to make friends hc2
Query ha3 Integer Recommended Sports 1::4 1=Not very good when it comes to sports; 4=Do well at all kinds of sports hc3
Query ha4 Integer Recommended Appearance 1::4 1=Not happy with way you look; 4=Happy with way you look hc4
Query ha5 Integer Recommended Part time job 1::4 1=Not ready to handle a part time job; 4=Ready to do well at a part time job
Query ha6 Integer Recommended Romantic interests 1::4 1=Person you like romantically wont like you back; 4=Person you like romantically will like you back
Query ha7 Integer Recommended Doing the right thing 1::4 1=Often don�t do the right thing; 4=Usually do the right thing hc11
Query ha8 Integer Recommended Making really close friends 1::4 1=Find it hard to make really close friends; 4=Able to make really close friends
Query ha9 Integer Recommended Satisfaction with self 1::4 1=Often disappointed with yourself; 4=Pretty pleased with yourself hc30
Query ha10 Integer Recommended Speed of school work 1::4 1=Pretty slow in finishing schoolwork; 4=Can do school work more quickly hc13
Query ha11 Integer Recommended Amount of friends 1::4 1=Don�t have a lot of friends; 4=Have a lot of friends hc8
Query ha12 Integer Recommended New athletic activity 1::4 1=Might not do well at a new athletic activity; 4=Could do well at just about any new athletic activity hc15
Query ha13 Integer Recommended Body satisfaction 1::4 1=Wish body was different; 4=Like body the way it is hc16
Query ha14 Integer Recommended Skills to do well at a job 1::4 1=Don�t have enough skills to do well at a job; 4=Have enough skills to do a job well
Query ha15 Integer Recommended Dating people who are really attracted to 1::4 1=Not dating the people you are really attracted to; 4=Dating the people you are really attracted to
Query ha16 Integer Recommended Doing things that get you in trouble 1::4 1=Often get in trouble for things you do; 4=Don�t do things that get you in trouble hc23
Query ha17 Integer Recommended Close friend to share secrets with 1::4 1=Do not have a really close friends you can share secrets with; 4=Have a really close friend you can share secrets with
Query ha18 Integer Recommended Satisfaction with way you are leading life 1::4 1=Don�t like the way you are leading your life; 4=Like the way you are leading your life hc12
Query ha19 Integer Recommended Success at class work 1::4 1=Don�t do very well at class work; 4=Do very well at class work hc25
Query ha20 Integer Recommended Likeability 1::4 1=Very hard to like; 4=Easy to like hc26
Query ha21 Integer Recommended Sports skill compared to others 1::4 1=Don�t feel can do as well; 4=Better than others hc21
Query ha22 Integer Recommended Satisfactions with physical appearance 1::4 1=Wish physical appearance was different; 4=Like physical appearance as is hc22
Query ha23 Integer Recommended Old enough for paying job 1::4 1=Not old enough to handle a paying job; 4=Old enough to have a paying job
Query ha24 Integer Recommended People same age romantically attracted to you? 1::4 1=Worry about whether people your age will be romantically attracted to you; 4=People your age will be romantically attracted to you
Query ha25 Integer Recommended Satisfaction with way you act 1::4 1=Don�t feel good about the way you act; 4=Feel really good about the way you act hc5
Query ha26 Integer Recommended Close friend to share things with 1::4 1=Wish had a close friend to share things with; 4=Have a close friend to share things with
Query ha27 Integer Recommended Happy with self 1::4 1=Not happy with self; 4=Happy with self most of the time hc6
Query ha28 Integer Recommended Figuring out answers in school 1::4 1=Have trouble figuring out the answers in school; 4=Almost always figure out the answers hc31
Query ha29 Integer Recommended Popularity 1::4 1=Not popular; 4=Very popular hc32
Query ha30 Integer Recommended hallucinogens 30 days hc33
Query ha31 Integer Recommended Good looking? 1::4 1=Not good looking; 4=Good looking hc34
Query ha32 Integer Recommended Success at paid work 1::4 1=Could do better at work; 4=Doing really well at work
Query ha33 Integer Recommended Interesting on dates 1::4 1=Wonder how fun and interesting you are on a date; 4=Are fun and interesting on a date
Query ha34 Integer Recommended Do things you know you shouldnt do 1::4 1=Do things you know you shouldn�t; 4=Hardly ever do things you know you shouldn�t hc29
Query ha35 Integer Recommended Make friends can really trust 1::4 1=Hard to make friends you can really trust; 4=Are able to make friends you can really trust
Query ha36 Integer Recommended Satisfaction with the person you are 1::4 1=Wish you were someone else; 4=Like the person you are hc18
Query ha37 Integer Recommended Intelligence 1::4 1=Question intelligence; 4=Pretty intelligent
Query ha38 Integer Recommended Social acceptance 1::4 1=Not accepted; 4=Accepted
Query ha39 Integer Recommended Athleticism 1::4 1=Not athletic; 4=Very athletic hc9
Query ha40 Integer Recommended Satsifaction with looks 1::4 1=Wish you looked different; 4=Really like your looks hc28
Query ha41 Integer Recommended Handle a paying job 1::4 1=Not doing well; 4=Doing very well
Query ha42 Integer Recommended Go out with the people would really like to date 1::4 1=Don�t go out with the people you would really like to date; 4=Going out with the people you would really like to date
Query ha43 Integer Recommended Act how you know you are supposed to 1::4 1=Don�t act the way you are supposed to; 4=Usually act the way you are supposed to hc17
Query ha44 Integer Recommended Friend that is close enough to share personal thoughts and feelings 1::4 1=Don�t have a friend close enough to share really personal thoughts with; 4=Have a friend close enough to share really personal thoughts with
Query ha45 Integer Recommended Happy with way you are 1::4 1=Wish you were different; 4=Happy with the way you are hc24
Query hc19 Integer Recommended Memory 1::4 1=Often forget what you learn; 4=Remember things easily
Query hc20 Integer Recommended Companionship 1::4 1=Usually do things by yourself; 4=Do things with a lot of people
Query hc10 Integer Recommended Height and weight satisfaction 1::4 1=Not happy; 4=Happy
Query hc1 Integer Recommended School work 1::4 1=Not good at school work; 4=Very good at school work
Query hc27 Integer Recommended Watch or play 1::4 1=Rather watch; 4=Rather play
Query hc14 Integer Recommended Happy with number of friends? 1::4 1=Wish had more friends; 4=Have as many friends as you want
Query hc35 Integer Recommended How well do you behave? 1::4 1=Find it hard to behave myself; 4=Behave myself very well
Query hc36 Integer Recommended Happy with the way you do things? 1::4 1=No; 4=Yes
Query hascx Float Recommended Scholastic competence mean score hcscx
Query hasct Float Recommended Scholastic competence total score hcsct
Query hasax Float Recommended Social acceptance mean score hcsax
Query hasat Float Recommended Social acceptance total score hcsat
Query haacx Float Recommended Athletic competence mean score hcacx
Query haact Float Recommended Athletic competence total score hcact
Query hapax Float Recommended Physical appearance mean score hcpax
Query hapat Float Recommended Physical appearance total score hcpat
Query hajcx Float Recommended Job competence mean score
Query hajct Float Recommended Job competence total score
Query harax Float Recommended Romantic appeal mean score
Query harat Float Recommended Romantic appeal total score
Query habcx Float Recommended Behavioral conduct mean score hcbcx
Query habct Float Recommended Behavioral conduct total score hcbct
Query hacfx Float Recommended Close friendship mean score
Query hacft Float Recommended Close friendship total score
Query hagswx Float Recommended Global self worth mean score hcgswx
Query hagswt Float Recommended Global self worth total score hcgswt
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.