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GCCR ManyLabs002(kl lab project)PID 89

The Codebook is a human-readable, read-only version of the project's Data Dictionary and serves as a quick reference for viewing the attributes of any given field in the project without having to download and interpret the Data Dictionary. Note: Checkbox fields have their coded values displayed both in the format defined by users in the Online Designer/Data Dictionary as well as in the extended format seen in data imports and exports (i.e., field___code).

Data Dictionary Codebook 02/28/2026 10:06am
Field finder: When viewing this page, collapse:
Data Dictionary Codebook
GCCR ManyLabs002(kl lab project) (PID: 89)
02/28/2026 10:06am
Instruments
Instrument Form Name
Form 1 form_1
# Variable / Field Name Field Label
Field Note
Field Attributes (Field Type, Validation, Choices, Calculations, etc.)
Instrument:Form 1(form_1)
1 [record_id] Record ID text
2 [participant_id] Participant id text
3 [partiicipant_name] Participant name text
4 [age] Age text
5 [gender] Gender dropdown
1* woman
2* man
3* Other
4* prefer not to say
6 [native_language] Native language

text
7 [second_language] Second language

text
8 [third_language] Third language

text
9 [country_of_residence] Country of residence

text
10 [city_town_of_residence] City/town of residence

text
11 [country_of_birth] Country of birth text
12 [city_town_of_birth] City/town of birth

text
13 [state_your_highest_complet] State your highest completed level of education
dropdown
1* Primary/Compulsory school
2* Secondary/High school
3* Adult residential college
4* Bachelor's degree
5* Master's degree
6* Doctoral degree
14 [how_well_do_you_think_your] How well do you think your sense of smell functions?
dropdown
1Very poor
2Poor
3Fairly good
4Good
5Very good
15 [how_well_do_you_think_your_2] How well do you think your sense of taste functions?
dropdown
1Very poor
2Poor
3Fairly good
4Good
5Very good
16 [how_well_do_you_think_your_3] Have you experienced a loss of smell during the past year?
(Not being able to smell things that normally have a scent)
dropdown
1Never
2Rarely
3Sometimes
4Often
5Always
17 [how_well_do_you_think_your_4] Have you experienced distortions of smells during the past year?
(Things smelling different than usual, like oranges smelling like manure)
dropdown
1Never
2Rarely
3Sometimes
4Often
5Always
18 [how_well_do_you_think_your_5] Have you experienced 'phantom smells' during the past year?
(Smelling something despite no obvious source nearby)

dropdown
1Never
2Rarely
3Sometimes
4Often
5Always
19 [do_you_have_any_serious_ne] Do you have any serious neurological or psychiatric conditions?
yesno
1Yes
0No
20 [do_you_have_any_serious_ne_2] Have you been diagnosed with or suspect you have had a respiratory illness that affected your sense of smell?

yesno
1Yes
0No
21 [have_you_experienced_any_o] Have you experienced any of the following changes in smell during or after recovering from your respiratory illness? (Check all that apply)
checkbox
1have_you_experienced_any_o___1Smells are weaker than before
2have_you_experienced_any_o___2Smells are different than before (odor quality has changed)
3have_you_experienced_any_o___3I smell things that aren't there (e.g., a burning smell with nothing burning)
4have_you_experienced_any_o___4My sense of smell fluctuates (comes and goes)
5have_you_experienced_any_o___5No
22 [which_of_the_following_ill] Which of the following illnesses affected your sense of smell?
dropdown
1* COVID-19 (suspected)
2* Influenza
3* Other viral illness (e.g., cold)
4* Strep throat (streptococcal bacteria)
5* Other bacterial illness
6* Other / don't know
7* None
23 [when_did_you_have_this_ill] When did you have this illness?
dropdown
1* Ongoing
2* 2-3 months ago
3* 4-6 months ago
4* 7-12 months ago
5* Over a year ago
6* I did not have an illness
24 [have_you_been_diagnosed_wi] Have you been diagnosed with or suspect you have had a respiratory illness that affected your sense of taste? yesno
1Yes
0No
25 [have_you_experienced_an] Have you experienced any of the following changes in taste during or after recovering from your respiratory illness? (Check all that apply) dropdown
1* Tastes are weaker than before
2* Tastes are different than before (taste quality has changed)
3* I taste things that aren't there (e.g., a sweet taste with nothing in my mouth)
4* My sense of taste fluctuates (comes and goes)
5* No
26 [which] Which of the following illnesses affected your sense of taste? dropdown
1* COVID-19 (suspected)
2* Influenza
3* Other viral illness (e.g., cold)
4* Strep throat (streptococcal bacteria)
5* Other bacterial illness
6* Other / don't know
7* None
27 [wg] When did you have this illness? dropdown
1* Ongoing
2* 2-3 months ago
3* 4-6 months ago
4* 7-12 months ago
5* Over a year ago
6* I did not have an illness
28 [please_describe_the_odor_a]
Section Header: Questions for each odor[Participants perform one training trial with one odor. The odor is presented using a scent pen held by the research assistant. After the odor is presented, the participant answers the following questions. The participants may smell the odor as many times as they wish while answering.]You will now perform one training session. [Participants are presented with a total of 30 odors. The odors are presented using a scent pen held by the research assistant. After each odor is presented, the participant answers the following questions. The participant may smell the odor as many times as they wish while answering]
Please describe the odor as freely and in as much detail as possible:

Which three words best describe the odor?
text
29 [what_odor_is_it] What odor is it? text
30 [on_a_scale_from_0_not_at_a] On a scale from 0 (not at all pleasant) to 10 (very pleasant), how pleasant is the odor?
* Not at all pleasant
* Very pleasant

slider (Min: 0, Max: 10)
Slider labels: 0(Not at all pleasant), , 10(Very pleasant)
Custom alignment: RH
31 [on_a_scale_from_0_very_ine] On a scale from 0 (very inedible) to 10 (very edible), to what extent does the odor comes from something edible?
* Very inedible
* Very edible

slider (Min: 0, Max: 10)
Slider labels: 0( Very inedible ), , 10(Very edible)
Custom alignment: RH
32 [on_a_scale_from_0_not_dete] On a scale from 0 (not detectable) to 10 (very intense), how intense is the odor?
* Not detectable
* Very intense

slider (Min: 0, Max: 10)
Slider labels: 0(Not detectable), , 10(very intense)
Custom alignment: RH
33 [on_a_scale_from_0_very_unf] On a scale from 0 (very unfamiliar) to 10 (very familiar), how familiar is the odor?
[Graphical scale from 0 to 10]
* Very unfamiliar
* Very familiar

slider (Min: 0, Max: 10)
Slider labels: 0(Very unfamiliar), , 10(Very familiar)
Custom alignment: RH
34 [on_a_scale_from_0_very_dif]
Section Header: [An additional odor is presented for comparison] Smell each odor and assess how well the two odors match each other. [Present odor X first and odor Y second]
On a scale from 0 (very different) to 10 (very similar), how similar are the two odors?
* Very different
* Very similar

slider (Min: 0, Max: 10)
Slider labels: 0(Very different ), , 10( Very similar)
Custom alignment: RH
 
35 [form_1_complete]
Section Header: Form Status
Complete?
dropdown
0Incomplete
1Unverified
2Complete
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