Size text box - Patient Joe data

Single Wave Study

General Information

Size text box - Patient Joe data
Project Number
In this questionnaire respondents were asked to give advice in a particular situation. There are three conditions in which the size of the textbox differs.
Longitudinal Type
Single Wave Study
Begin date
End date
Matthias Schonlau
© 2020 CentERdata
Funding Organization
CentERdata/MESS Project

Datasets and documentation

View Documentation

Codebook in English
Codebook in Dutch
Coding manual in English

Data Files

English SPSS file
English STATA file
English CSV file


Variable name Variable Label Variable Type
nomem_encrNumber of household member encryptedpreloaded
nohouse_encrNumber of household encryptedpreloaded
gj12a_mYear and month of administrationconstructed
gj12a001Size text boxconstructed
gj12a002Small text box: What should Joe do?directly measured
gj12a003Small text box: What else should Joe do?directly measured
gj12a004Medium text box:What should Joe do?directly measured
gj12a005Medium text box: What else should Joe do?directly measured
gj12a006Large text box: What should Joe do?directly measured
gj12a007Large text box: What else should Joe do?directly measured
gj12a008Was it difficult to answer the questions?directly measured
gj12a009Were the questions sufficiently clear?directly measured
gj12a010Did the questionnaire get you thinking about things?directly measured
gj12a011Was it an interesting subject?directly measured
gj12a012Did you enjoy answering the questions?directly measured
gj12a013Starting date questionnaireconstructed
gj12a014Starting time questionnaireconstructed
gj12a015End date questionnaireconstructed
gj12a016End time questionnaireconstructed
gj12a017Duration in secondsderived
gj12a018[constructed variable] Joined variable of all textbox categories of 'What should Joe do?' constructed
gj12a019[constructed variable] 'What should Joe do' coding by coder 1constructed
gj12a020[constructed variable] 'What should Joe do' coding by coder 2constructed
gj12a021[constructed variable] Final coding of the question 'What should Joe do'constructed


Questionnaire: Size text box - Patient Joe data

The questionnaire was administered in Dutch

Browse Size text box - Patient Joe data

Response Information

Response Overview
Selected number of household members 2,488 (100%)
Nonresponse: 665 (26.7%)
Response: 1,823 (73.2%)
Complete: 1,823 (73.2%)
Incomplete: 0 (0.0%)
Collection Events
05-03-2012 to 27-03-2012
Panel members aged 16 years and older
Collection Mode
internet survey
Fieldwork Note
A reminder was sent twice to non-respondents.


Text mining with n-gram variables The Stata Journal, 17(4), 866-881; Schonlau, M., et al.
Semi-automated categorization of open-ended questions Survey Research Methods, 10(2), 143-152; Schonlau, M., et al.
A model-assisted approach for finding coding errors in the manual coding of open-ended questions Journal of Survey Statistics and Methodology, 10(2), 365–376; He, Z., et al.
Applied statistical learning Applied Statistical Learning. With Case Studies in Stata. Springer Cham; Schonlau, M.