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subjectkey |
GUID |
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Required |
The NDAR Global Unique Identifier (GUID) for research subject |
NDAR*
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src_subject_id |
String |
20
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Required |
Subject ID how it's defined in lab/project |
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interview_date |
Date |
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Required |
Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY |
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interview_age |
Integer |
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Required |
Age in months at the time of the interview/test/sampling/imaging. |
0::1440
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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.
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sex |
String |
20
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Required |
Sex of subject at birth |
M;F; O; NR
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M = Male; F = Female; O=Other; NR = Not reported
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ncaid |
Integer |
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Recommended |
Primary ID of Neurocognitive Test |
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siteid |
Integer |
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Recommended |
Site ID |
10::100
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aurora_assessment_number |
Integer |
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Recommended |
Assessment Number 0:14 |
0::14
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0=Emergency Department; 1=48 Hours; 2=Week 1; 3=Week 2; 4=Week 3; 5=Week 4; 6=Week 5; 7=Week 6; 8=Week 7; 9=Week 8; 10=Month 3; 11=Month 6; 12=Month 9; 13=Month 12; 14= In-Person Deep Phenotyping Session
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group_number |
Float |
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Recommended |
Group number |
1::4
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Randomly Assigned at enrollment, each group has different combination of battery for assessment # 2 onwards.
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study_day |
Float |
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Recommended |
Day since enrollment when the battery started |
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test_id |
Float |
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Recommended |
Number identifying test |
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test_duration |
Float |
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Recommended |
Total time to complete test (in seconds) |
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useragent |
String |
200
|
Recommended |
String containing information on device used |
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ua_family |
String |
201
|
Recommended |
Web browser used |
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ua_major |
String |
200
|
Recommended |
Information on version of browser (major) |
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ua_minor |
String |
200
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Recommended |
Information on version of browser (minor) |
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os_family |
String |
50
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Recommended |
Operating system used |
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os_major |
String |
50
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Recommended |
Information on version of OS (major) |
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Note: input for this is ambiguous for some cases.
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os_minor |
String |
50
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Recommended |
Information on version of OS (minor) |
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os_patch |
String |
50
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Recommended |
Information on version of OS (patch) |
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device_family |
String |
100
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Recommended |
Hardware used |
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device_brand |
String |
100
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Recommended |
Brand producing device used |
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device_model |
String |
100
|
Recommended |
Model of device used |
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ua_patch |
String |
100
|
Recommended |
Further information on device used |
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screenw |
Float |
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Recommended |
Width of screen (in pixels) |
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screenh |
Float |
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Recommended |
Height of screen (in pixels) |
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touch |
Integer |
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Recommended |
Presence or absence of touchscreen input |
0;1
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0=absence; 1=presence
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os |
String |
50
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Recommended |
Operating system (detected by site) |
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screensize |
String |
10
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Recommended |
Classified as large (tablet/computer) or small (smartphone) |
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os_label |
String |
10
|
Recommended |
Operating system category (of most frequently used OS) |
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input |
String |
20
|
Recommended |
Type of input (touchscreen or mouse/keyboard) |
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deldisc_catch_score |
Float |
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Recommended |
Proportion correct responses for catch trials |
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meanrt |
Float |
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Recommended |
Mean reaction time for all trials (in milliseconds) |
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medianrt |
Float |
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Recommended |
Median reaction time for all trials (in milliseconds) |
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sdrt |
Float |
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Recommended |
Standard deviation of reaction times across all trials |
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delaydisc_lnk_all |
Float |
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Recommended |
Natural log of the discounting factor k computed across all delays (describes how steeply value is reduced by delay) |
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deldisc_twoweeks |
Float |
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Recommended |
Natural log of the discounting factor k for 2 weeks delay |
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deldisc_onemonth |
Float |
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Recommended |
Natural log of the discounting factor k for 1 month delay |
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deldisc_sixmonths |
Float |
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Recommended |
Natural log of the discounting factor k for 6 months delay |
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deldisc_oneyear |
Float |
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Recommended |
Natural log of the discounting factor k for 1 year delay |
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deldisc_threeyears |
Float |
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Recommended |
Natural log of the discounting factor k for 3 years delay |
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deldisc_fiveyears |
Float |
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Recommended |
Natural log of the discounting factor k for 5 years delay |
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deldisc_tenyears |
Float |
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Recommended |
Natural log of the discounting factor k for 10 years delay |
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delaydisc_score |
Float |
|
Recommended |
Time (in months) it takes for value to halve
score = 1 / (average k) / 30.4375 |
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average_a |
Float |
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Recommended |
Mean of the current_a values at the end of each question set |
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fiveyearrt |
Float |
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Recommended |
Median reaction time for questions with delay of five years (in milliseconds) |
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monthrt |
Float |
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Recommended |
Median reaction time for questions with delay of one month (in milliseconds) |
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sixmonthrt |
Float |
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Recommended |
Median reaction time for questions with delay of six months (in milliseconds) |
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tenyearrt |
Float |
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Recommended |
Median reaction time for questions with delay of ten years (in milliseconds) |
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threeyearrt |
Float |
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Recommended |
Median reaction time for questions with delay of three years (in milliseconds) |
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twoweeksrt |
Float |
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Recommended |
Median reaction time for questions with delay of two weeks (in milliseconds) |
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yearrt |
Float |
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Recommended |
Median reaction time for questions with delay of one year (in milliseconds) |
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