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Frequently Asked Questions


NDA Help Center

Filter Cart

The Filter Cart provides a powerful way to query and access data for which you may be interested.  

A few points related to the filter cart are important to understand with the NDA Query/Filter implementation: 

First, the filter cart is populated asyncronously.  So, when you run a query, it may take a moment to populate but this will happen in the background so you can define other queries during this time.  

When you are adding your first filter, all data associated with your query will be added to the filter cart (whether it be a collection, a concept, a study, a data structure/elment or subjects). Not all data structures or collections will necessarily be displayed.  For example, if you select the NDA imaging structure image03, and further restrict that query to scan_type fMRI, only fMRI images will appear and only the image03 structure will be shown.  To see other data structures, select "Find All Subject Data" which will query all data for those subjects. When a secord or third filter is applied, an AND condition is used.  A subject must exist in all filters.  If the subject does not appear in any one filter, that subjects data will not be included in your filter cart. If that happens, clear your filter cart, and start over.  

It is best to package more data than you need and access those data using other tools, independent of the NDA (e.g. miNDAR snapshot), to limit the data selected.  If you have any questions on data access, are interested in using avaialble web services, or need help accessing data, please contact us for assistance.  

Frequently Asked Questions



Reset Password

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.

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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Examiner Battery



Download Definition as
Download Submission Template as
Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*
src_subject_idString20RequiredSubject ID how it's defined in lab/project
interview_dateDateRequiredDate on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYYRequired field
interview_ageIntegerRequiredAge in months at the time of the interview/test/sampling/imaging.0 :: 1260Age 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.
sexString20RequiredSex of the subjectM;FM = Male; F = Femalegender
exbatvff1String20RecommendedVerbal Fluency: Letter F - Response 1
exbatvff2String20RecommendedVerbal Fluency: Letter F - Response 2
exbatvff3String20RecommendedVerbal Fluency: Letter F - Response 3
exbatvff4String20RecommendedVerbal Fluency: Letter F - Response 4
exbatvff5String20RecommendedVerbal Fluency: Letter F - Response 5
exbatvff6String20RecommendedVerbal Fluency: Letter F - Response 6
exbatvff7String20RecommendedVerbal Fluency: Letter F - Response 7
exbatvff8String20RecommendedVerbal Fluency: Letter F - Response 8
exbatvff9String20RecommendedVerbal Fluency: Letter F - Response 9
exbatvff10String20RecommendedVerbal Fluency: Letter F - Response 10
exbatvff11String20RecommendedVerbal Fluency: Letter F - Response 11
exbatvff12String20RecommendedVerbal Fluency: Letter F - Response 12
exbatvff13String20RecommendedVerbal Fluency: Letter F - Response 13
exbatvff14String20RecommendedVerbal Fluency: Letter F - Response 14
exbatvff15String20RecommendedVerbal Fluency: Letter F - Response 15
exbatvff16String20RecommendedVerbal Fluency: Letter F - Response 16
exbatvff17String20RecommendedVerbal Fluency: Letter F - Response 17
exbatvff18String20RecommendedVerbal Fluency: Letter F - Response 18
exbatvff19String20RecommendedVerbal Fluency: Letter F - Response 19
exbatvff20String20RecommendedVerbal Fluency: Letter F - Response 20
exbatvff21String20RecommendedVerbal Fluency: Letter F - Response 21
exbatvff22String20RecommendedVerbal Fluency: Letter F - Response 22
exbatvff23String20RecommendedVerbal Fluency: Letter F - Response 23
exbatvff24String20RecommendedVerbal Fluency: Letter F - Response 24
exbatvff25String20RecommendedVerbal Fluency: Letter F - Response 25
exbatvff26String20RecommendedVerbal Fluency: Letter F - Response 26
exbatvff27String20RecommendedVerbal Fluency: Letter F - Response 27
exbatvff28String20RecommendedVerbal Fluency: Letter F - Response 28
exbatvff29String20RecommendedVerbal Fluency: Letter F - Response 29
exbatvff30String20RecommendedVerbal Fluency: Letter F - Response 30
exbatvff31String20RecommendedVerbal Fluency: Letter F - Response 31
exbatvff32String20RecommendedVerbal Fluency: Letter F - Response 32
exbatvff33String20RecommendedVerbal Fluency: Letter F - Response 33
exbatvff34String20RecommendedVerbal Fluency: Letter F - Response 34
exbatvff35String20RecommendedVerbal Fluency: Letter F - Response 35
exbatvff36String20RecommendedVerbal Fluency: Letter F - Response 36
exbatvff37String20RecommendedVerbal Fluency: Letter F - Response 37
exbatvff38String20RecommendedVerbal Fluency: Letter F - Response 38
exbatvff39String20RecommendedVerbal Fluency: Letter F - Response 39
exbatvff40String20RecommendedVerbal Fluency: Letter F - Response 40
vf1_corrIntegerRecommendedVerbal Fluency: Number of correct F-words0::40verbalfcorrect
exbatvff42IntegerRecommendedVerbal Fluency: Number of repititions F-wordsverbalfreps
exbatvff43IntegerRecommendedVerbal Fluency: Number of violations F-wordsverbalfviolations
exbatvfl1String20RecommendedVerbal Fluency: Letter L - Response 1
exbatvfl2String20RecommendedVerbal Fluency: Letter L - Response 2
exbatvfl3String20RecommendedVerbal Fluency: Letter L - Response 3
exbatvfl4String20RecommendedVerbal Fluency: Letter L - Response 4
exbatvfl5String20RecommendedVerbal Fluency: Letter L - Response 5
exbatvfl6String20RecommendedVerbal Fluency: Letter L - Response 6
exbatvfl7String20RecommendedVerbal Fluency: Letter L - Response 7
exbatvfl8String20RecommendedVerbal Fluency: Letter L - Response 8
exbatvfl9String20RecommendedVerbal Fluency: Letter L - Response 9
exbatvfl10String20RecommendedVerbal Fluency: Letter L - Response 10
exbatvfl11String20RecommendedVerbal Fluency: Letter L - Response 11
exbatvfl12String20RecommendedVerbal Fluency: Letter L - Response 12
exbatvfl13String20RecommendedVerbal Fluency: Letter L - Response 13
exbatvfl14String20RecommendedVerbal Fluency: Letter L - Response 14
exbatvfl15String20RecommendedVerbal Fluency: Letter L - Response 15
exbatvfl16String20RecommendedVerbal Fluency: Letter L - Response 16
exbatvfl17String20RecommendedVerbal Fluency: Letter L - Response 17
exbatvfl18String20RecommendedVerbal Fluency: Letter L - Response 18
exbatvfl19String20RecommendedVerbal Fluency: Letter L - Response 19
exbatvfl20String20RecommendedVerbal Fluency: Letter L - Response 20
exbatvfl21String20RecommendedVerbal Fluency: Letter L - Response 21
exbatvfl22String20RecommendedVerbal Fluency: Letter L - Response 22
exbatvfl23String20RecommendedVerbal Fluency: Letter L - Response 23
exbatvfl24String20RecommendedVerbal Fluency: Letter L - Response 24
exbatvfl25String20RecommendedVerbal Fluency: Letter L - Response 25
exbatvfl26String20RecommendedVerbal Fluency: Letter L - Response 26
exbatvfl27String20RecommendedVerbal Fluency: Letter L - Response 27
exbatvfl28String20RecommendedVerbal Fluency: Letter L - Response 28
exbatvfl29String20RecommendedVerbal Fluency: Letter L - Response 29
exbatvfl30String20RecommendedVerbal Fluency: Letter L - Response 30
exbatvfl31String20RecommendedVerbal Fluency: Letter L - Response 31
exbatvfl32String20RecommendedVerbal Fluency: Letter L - Response 32
exbatvfl33String20RecommendedVerbal Fluency: Letter L - Response 33
exbatvfl34String20RecommendedVerbal Fluency: Letter L - Response 34
exbatvfl35String20RecommendedVerbal Fluency: Letter L - Response 35
exbatvfl36String20RecommendedVerbal Fluency: Letter L - Response 36
exbatvfl37String20RecommendedVerbal Fluency: Letter L - Response 37
exbatvfl38String20RecommendedVerbal Fluency: Letter L - Response 38
exbatvfl39String20RecommendedVerbal Fluency: Letter L - Response 39
exbatvfl40String20RecommendedVerbal Fluency: Letter L - Response 40
vf2_corrIntegerRecommendedVerbal Fluency: Number of correct L-words0::40verballcorrect
exbatvfl42IntegerRecommendedVerbal Fluency: Number of repititions L-wordsverballreps
exbatvfl43IntegerRecommendedVerbal Fluency: Number of violations L-wordsverballviolations
exbatcfanimal1String20RecommendedCategory Fluency: Animal - Response 1
exbatcfanimal2String20RecommendedCategory Fluency: Animal - Response 2
exbatcfanimal3String20RecommendedCategory Fluency: Animal - Response 3
exbatcfanimal4String20RecommendedCategory Fluency: Animal - Response 4
exbatcfanimal5String20RecommendedCategory Fluency: Animal - Response 5
exbatcfanimal6String20RecommendedCategory Fluency: Animal - Response 6
exbatcfanimal7String20RecommendedCategory Fluency: Animal - Response 7
exbatcfanimal8String20RecommendedCategory Fluency: Animal - Response 8
exbatcfanimal9String20RecommendedCategory Fluency: Animal - Response 9
exbatcfanimal10String20RecommendedCategory Fluency: Animal - Response 10
exbatcfanimal11String20RecommendedCategory Fluency: Animal - Response 11
exbatcfanimal12String20RecommendedCategory Fluency: Animal - Response 12
exbatcfanimal13String20RecommendedCategory Fluency: Animal - Response 13
exbatcfanimal14String20RecommendedCategory Fluency: Animal - Response 14
exbatcfanimal15String20RecommendedCategory Fluency: Animal - Response 15
exbatcfanimal16String20RecommendedCategory Fluency: Animal - Response 16
exbatcfanimal17String20RecommendedCategory Fluency: Animal - Response 17
exbatcfanimal18String20RecommendedCategory Fluency: Animal - Response 18
exbatcfanimal19String20RecommendedCategory Fluency: Animal - Response 19
exbatcfanimal20String20RecommendedCategory Fluency: Animal - Response 20
exbatcfanimal21String20RecommendedCategory Fluency: Animal - Response 21
exbatcfanimal22String20RecommendedCategory Fluency: Animal - Response 22
exbatcfanimal23String20RecommendedCategory Fluency: Animal - Response 23
exbatcfanimal24String20RecommendedCategory Fluency: Animal - Response 24
exbatcfanimal25String20RecommendedCategory Fluency: Animal - Response 25
exbatcfanimal26String20RecommendedCategory Fluency: Animal - Response 26
exbatcfanimal27String20RecommendedCategory Fluency: Animal - Response 27
exbatcfanimal28String20RecommendedCategory Fluency: Animal - Response 28
exbatcfanimal29String20RecommendedCategory Fluency: Animal - Response 29
exbatcfanimal30String20RecommendedCategory Fluency: Animal - Response 30
exbatcfanimal31String20RecommendedCategory Fluency: Animal - Response 31
exbatcfanimal32String20RecommendedCategory Fluency: Animal - Response 32
exbatcfanimal33String20RecommendedCategory Fluency: Animal - Response 33
exbatcfanimal34String20RecommendedCategory Fluency: Animal - Response 34
exbatcfanimal35String20RecommendedCategory Fluency: Animal - Response 35
exbatcfanimal36String20RecommendedCategory Fluency: Animal - Response 36
exbatcfanimal37String20RecommendedCategory Fluency: Animal - Response 37
exbatcfanimal38String20RecommendedCategory Fluency: Animal - Response 38
exbatcfanimal39String20RecommendedCategory Fluency: Animal - Response 39
exbatcfanimal40String20RecommendedCategory Fluency: Animal - Response 40
cf1_corrIntegerRecommendedCategory Fluency: Number of correct Animals0::40verbalanicorrect
exbatcfanimal42IntegerRecommendedCategory Fluency: Number of repititions Animalsverbalanireps
exbatcfanimal43IntegerRecommendedCategory Fluency: Number of violations Animalsverbalaniviolations
exbatcfveg1String20RecommendedCategory Fluency: Vegetables - Response 1
exbatcfveg2String20RecommendedCategory Fluency: Vegetables - Response 2
exbatcfveg3String20RecommendedCategory Fluency: Vegetables - Response 3
exbatcfveg4String20RecommendedCategory Fluency: Vegetables - Response 4
exbatcfveg5String20RecommendedCategory Fluency: Vegetables - Response 5
exbatcfveg6String20RecommendedCategory Fluency: Vegetables - Response 6
exbatcfveg7String20RecommendedCategory Fluency: Vegetables - Response 7
exbatcfveg8String20RecommendedCategory Fluency: Vegetables - Response 8
exbatcfveg9String20RecommendedCategory Fluency: Vegetables - Response 9
exbatcfveg10String20RecommendedCategory Fluency: Vegetables - Response 10
exbatcfveg11String20RecommendedCategory Fluency: Vegetables - Response 11
exbatcfveg12String20RecommendedCategory Fluency: Vegetables - Response 12
exbatcfveg13String20RecommendedCategory Fluency: Vegetables - Response 13
exbatcfveg14String20RecommendedCategory Fluency: Vegetables - Response 14
exbatcfveg15String20RecommendedCategory Fluency: Vegetables - Response 15
exbatcfveg16String20RecommendedCategory Fluency: Vegetables - Response 16
exbatcfveg17String20RecommendedCategory Fluency: Vegetables - Response 17
exbatcfveg18String20RecommendedCategory Fluency: Vegetables - Response 18
exbatcfveg19String20RecommendedCategory Fluency: Vegetables - Response 19
exbatcfveg20String20RecommendedCategory Fluency: Vegetables - Response 20
exbatcfveg21String20RecommendedCategory Fluency: Vegetables - Response 21
exbatcfveg22String20RecommendedCategory Fluency: Vegetables - Response 22
exbatcfveg23String20RecommendedCategory Fluency: Vegetables - Response 23
exbatcfveg24String20RecommendedCategory Fluency: Vegetables - Response 24
exbatcfveg25String20RecommendedCategory Fluency: Vegetables - Response 25
exbatcfveg26String20RecommendedCategory Fluency: Vegetables - Response 26
exbatcfveg27String20RecommendedCategory Fluency: Vegetables - Response 27
exbatcfveg28String20RecommendedCategory Fluency: Vegetables - Response 28
exbatcfveg29String20RecommendedCategory Fluency: Vegetables - Response 29
exbatcfveg30String20RecommendedCategory Fluency: Vegetables - Response 30
exbatcfveg31String20RecommendedCategory Fluency: Vegetables - Response 31
exbatcfveg32String20RecommendedCategory Fluency: Vegetables - Response 32
exbatcfveg33String20RecommendedCategory Fluency: Vegetables - Response 33
exbatcfveg34String20RecommendedCategory Fluency: Vegetables - Response 34
exbatcfveg35String20RecommendedCategory Fluency: Vegetables - Response 35
exbatcfveg36String20RecommendedCategory Fluency: Vegetables - Response 36
exbatcfveg37String20RecommendedCategory Fluency: Vegetables - Response 37
exbatcfveg38String20RecommendedCategory Fluency: Vegetables - Response 38
exbatcfveg39String20RecommendedCategory Fluency: Vegetables - Response 39
exbatcfveg40String20RecommendedCategory Fluency: Vegetables - Response 40
cf2_corrIntegerRecommendedCategory Fluency: Number of correct Vegetables0::40verbalvegcorrect
exbatcfveg42IntegerRecommendedCategory Fluency: Number of repititions Vegetablesverbalvegreps
exbatcfveg43IntegerRecommendedCategory Fluency: Number of violations Vegetablesverbalvegviolations
exbatinsightFloatRecommendedInsight: Self-Appraisal for Verbal Fluency:How well subject believed did on the task compared with other people their age and with similar level of education. Recorded as percentileinsight
exambat174IntegerRecommendedUnstructured Task Book 1: Number of high value items completed
exambat175IntegerRecommendedUnstructured Task Book 1: Number of high value items attempted
exambat176IntegerRecommendedUnstructured Task Book 1: Number of low value items completed
exambat177IntegerRecommendedUnstructured Task Book 1: number of low value items attempted
exambat178IntegerRecommendedUnstructured Task Book 1: Total Points Earned
exambat179IntegerRecommendedUnstructured Task Book 2: Number of high value items completed
exambat180IntegerRecommendedUnstructured Task Book 2: Number of high value items attempted
exambat181IntegerRecommendedUnstructured Task Book 2: Number of low value items completed
exambat182IntegerRecommendedUnstructured Task Book 2: number of low value items attempted
exambat183IntegerRecommendedUnstructured Task Book 2: Total Points Earned
exambat184IntegerRecommendedUnstructured Task Book 3: Number of high value items completed
exambat185IntegerRecommendedUnstructured Task Book 3: Number of high value items attempted
exambat186IntegerRecommendedUnstructured Task Book 3: Number of low value items completed
exambat187IntegerRecommendedUnstructured Task Book 3: number of low value items attempted
exambat188IntegerRecommendedUnstructured Task Book 3: Total Points Earned
exambat189IntegerRecommendedUnstructured Task All books: Number of high value items completedtaskhighcompl
exambat190IntegerRecommendedUnstructured Task All books: Number of high value items attemptedtaskhighattmpt
exambat191IntegerRecommendedUnstructured Task All books: Number of low value items completedtasklowcompl
exambat192IntegerRecommendedUnstructured Task All books: number of low value items attemptedtasklowattmpt
exambat193IntegerRecommendedUnstructured Task All books: Total Points Earnedtasktotalpoints
exm_flanker_scoreFloatRecommendedFlanker scoreComputer generated scoresflanker
exm_shift_scoreFloatRecommendedSet Shifting ScoreComputer generated scoressetshift
emx_dot_1String20RecommendedDot Counting: Response 1
emx_dot_2String20RecommendedDot Counting : Recall 1
emx_dot_3IntegerRecommendedDot Counting: Number Correct 1dotcount1
emx_dot_4String20RecommendedDot Counting: Response 2
emx_dot_5String20RecommendedDot Counting : Recall 2
emx_dot_6IntegerRecommendedDot Counting: Number Correct 2dotcount2
emx_dot_7String20RecommendedDot Counting: Response 3
emx_dot_8String20RecommendedDot Counting : Recall 3
emx_dot_9IntegerRecommendedDot Counting: Number Correct 3dotcount3
emx_dot_10String20RecommendedDot Counting: Response 4
emx_dot_11String20RecommendedDot Counting : Recall 4
emx_dot_12IntegerRecommendedDot Counting: Number Correct 4dotcount4
emx_dot_13String20RecommendedDot Counting: Response 5
emx_dot_14String20RecommendedDot Counting : Recall 5
emx_dot_15IntegerRecommendedDot Counting: Number Correct 5dotcount5
emx_dot_16String20RecommendedDot Counting: Response 6
emx_dot_17String20RecommendedDot Counting : Recall 6
emx_dot_18IntegerRecommendedDot Counting: Number Correct 6dotcount6
emx_dot_totalIntegerRecommendedDot Total Score0::27
exm_nb1_scoreFloatRecommendedN-back 1 scoreComputer generated scoresnb1_score
exm_nb2_scoreFloatRecommendedN-back 2 scoreComputer generated scoresnb2_score
exambat217IntegerRecommendedAnti-saccades: protrial total correct0::10antisacpro
exambat218IntegerRecommendedAnti-saccades: anti-tiral 1 total correct0::20antisac1
exambat219IntegerRecommendedAnti-saccades: anti-tiral 2 total correct0::20antisac2
exm_antisaccIntegerRecommendedAntisaccades score0::40
exambat223IntegerRecommendedDecreased initiation0::30=None;1=Mild;2=Moderate;3=Severedecreasedinit
exambat224IntegerRecommendedMotor sterotypies0::30=None;1=Mild;2=Moderate;3=Severemotor
exambat226IntegerRecommendedLock of social/emotional engagement0::30=None;1=Mild;2=Moderate;3=Severelackengagement
exambat228IntegerRecommendedSocially inappropriate0::30=None;1=Mild;2=Moderate;3=Severesociallyinapp
exambat229IntegerRecommendedData collection quality issues0;10=None, data are valid (skip); 1=Yes (Choose up to 3 issues)
exambat230IntegerRecommendedMotor difficulties0;10=No;1=Yes
exambat231IntegerRecommendedSpeech difficulties0;10=No;1=Yes
exambat232IntegerRecommendedHearing impariment0;10=No;1=Yes
exambat233IntegerRecommendedVisual impairment0;10=No;1=Yes
exambat235IntegerRecommendedminimal education0;10=No;1=Yes
exambat236IntegerRecommendedlack of effort0;10=No;1=Yes
exambat237IntegerRecommendedunreliable informant0;10=No;1=Yes
exambat238IntegerRecommendedbehavioral disturbances0;10=No;1=Yes
exambat239IntegerRecommendedTell a stranger you dont like their hairstyle?0;10=No;1=Yesstranger
exambat240IntegerRecommendedSpit on the floor?0;10=No;1=Yesspit
exambat241IntegerRecommendedBlow your nose in public?0;10=No;1=Yesblownose
exambat242IntegerRecommendedAsk a coworker their age?0;10=No;1=Yescoworkerage
exambat243IntegerRecommendedCry during a movie in the theater?0;10=No;1=Yescrymovie
exambat244IntegerRecommendedCut in line if you are in a hurry?0;10=No;1=Yescutline
exambat245IntegerRecommendedLaugh when you yourself trip and fall?0;10=No;1=Yeslaughself
exambat246IntegerRecommendedEat pasta with your fingers?0;10=No;1=Yeseatpasta
exambat247IntegerRecommendedHug an acquaintance without asking first?0;10=No;1=Yeshugnoask
exambat248IntegerRecommendedTell a coworker your age?0;10=No;1=Yestellage
exambat249IntegerRecommendedTell someone your opinion of a movie they havent seen?0;10=No;1=Yestellopinion
exambat250IntegerRecommendedLaugh when someone else trips and falls?0;10=No;1=Yeslaughsomeone
exambat251IntegerRecommendedWear the same shirt every day?0;10=No;1=Yessameshirt
exambat252IntegerRecommendedKeep money you find on the sidewalk?0;10=No;1=Yeskeepmoney
exambat253IntegerRecommendedPick your nose in public?0;10=No;1=Yespicknose
exambat254IntegerRecommendedTell a coworker you think they are overweight?0;10=No;1=Yesoverweight
exambat255IntegerRecommendedDrive fast if you are in a hurry?0;10=No;1=Yesdrivefast
exambat256IntegerRecommendedEat ribs with your fingers?0;10=No;1=Yeseatribs
exambat257IntegerRecommendedTell a stranger you like their hairstyle?0;10=No;1=Yesstrangerhair
exambat258IntegerRecommendedWear the same shirt twice in two weeks?0;10=No;1=Yesshirttwice
exambat259IntegerRecommendedTell someone the ending of a movie they havent seen?0;10=No;1=Yesendmovie
exambat260IntegerRecommendedHug a stranger without asking firest?0;10=No;1=Yeshugstranger
exambat261IntegerRecommendedTalk our loud duruing a movie at a theater?0;10=No;1=Yestalkmovie
exambat262IntegerRecommendedTell a coworker you think they have lost weight?0;10=No;1=Yeslostweight
exm_error_scoreIntegerRecommendedErrors scoringComputer generated from total number of errors in CPT, Flanker, Set shifting, VF1, VF2, CF1, CF2, and BRS
exm_executive_compositeFloatRecommendedExecutive composite scoreComputer generated score
exm_executive_seFloatRecommendedStandard Error for executive compositeComputer generated score
exm_fluency_factorFloatRecommendedFluency factor scoreComputer generated score
exm_fluency_seFloatRecommendedStandard Error for the fluency factorComputer generated score
exm_cog_control_factorFloatRecommendedCognitive control factor scoreComputer generated score
exm_working_memory_factorFloatRecommendedWorking memory factor scoreComputer generated score
exm_working_memory_seFloatRecommendedStandard Error for working memory factorComputer generated score
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.

Distribution for DataStructure: exambat01 and Element:
Chart Help

Filters enable researchers to view the data shared in NDA before applying for access or for selecting specific data for download or NDA Study assignment. For those with access to NDA shared data, you may select specific values to be included by selecting an individual bar chart item or by selecting a range of values (e.g. interview_age) using the "Add Range" button. Note that not all elements have appropriately distinct values like comments and subjectkey and are not available for filtering. Additionally, item level detail is not always provided by the research community as indicated by the number of null values given.

Filters for multiple data elements within a structure are supported. Selections across multiple data structures will be supported in a future version of NDA.