Professional respondents in panels

Single Wave Study

General Information

Professional respondents in panels
Project Number
This questionnaire will be used to investigate the existence of different respondent types in the LISS panel. It will be examined whether these respondent types differ on demographic and psychographic variables and survey attitudes, whether respondent types differ in response propensity and attrition in the LISS panel and if they produce data of different quality. The questionnaire is also administered to the migrant panel.
Longitudinal Type
Single Wave Study
Begin date
End date
Leeuw, E.D. de, Conrad, F.G.
© 2015 CentERdata
Funding Organization
CentERdata/MESS Project

Datasets and documentation

View Documentation

Codebook in English
Codebook in Dutch

Data Files

English SPSS file
English STATA file


Variable name Variable Label Variable Type
nomem_encrNumber of the household member encryptedpreloaded
ld14a_mYear and month of the field work periodconstructed
ld14a001Imagine, now, that you have been asked to evaluate this type of research in the Netherlands by the responsible minister. Which report card grade, from 1 to 10, would you assign to the LISS panel?directly measured
ld14a002If you compare the LISS questionnaires with those that you receive from other research agencies, how would you rate LISS overall?directly measured
ld14a003NOT including the LISS panel in your count, of how many panels are you currently a member:directly measured
ld14a004What are the names of the other online panels of which you are a member?directly measured
ld14a005What are your reasons for completing questionnaires [if ld14a002=6: of the LISS panel / if ld14a002<6: on the internet]?directly measured
ld14a006Below you will find a number of reasons why people complete questionnaires [if ld14a002=6: of the LISS panel / if ld14a002<6: on the internet]. What is the most important reason for you to participate?directly measured
ld14a007And what is your second most important reason to complete questionnaires [if ld14a002=6: of the LISS panel / if ld14a002<6: on the internet]?directly measured
ld14a008And what reason comes in third place, for you?directly measured
ld14a009How many invitations to complete an online questionnaire did you receive in the past 4 weeks? Do NOT include the LISS panel in your count.directly measured
ld14a010How many online questionnaires did you complete in the past 4 weeks? Do NOT include the LISS panel in your count.directly measured
ld14a011When you complete online questionnaires, do you usually do so at home, at work or in school/university, or somewhere else, or while commuting?directly measured
ld14a012How do you usually complete an online questionnaire? Do you usually do so on a desktop computer, or usually on a tablet computer (e.g. an Ipad), or on a smartphone?directly measured
ld14a013How do you usually complete an online questionnaire? Usually in a different way, namely...directly measured
ld14a014How are you completing this questionnaire? On a...directly measured
ld14a015How are you completing this questionnaire? Otherdirectly measured
ld14a016How often do you check your email, on average, to see if there are any new messages for you? Count all devices used for this purpose, so including your desktop computer, a tablet computer (e.g. iPad), or your smartphone.directly measured
ld14a017How often do you surf the internet?directly measured
ld14a018Do you ever do something else while completing an online questionnaire?directly measured
ld14a019What is it that you do, then, while completing an online questionnaire?directly measured
ld14a020Was it difficult to answer the questions?directly measured
ld14a021Were the questions sufficiently clear?directly measured
ld14a022Did the questionnaire get you thinking about things?directly measured
ld14a023Was it an interesting subject?directly measured
ld14a024Did you enjoy answering the questions?directly measured
ld14a025Starting date questionnaireconstructed
ld14a026Starting time questionnaireconstructed
ld14a027End date questionnaireconstructed
ld14a028End time questionnaireconstructed
ld14a029Duration in secondsderived
ld14a030End date introconstructed
ld14a031End time introconstructed
ld14a032End date ld14a001constructed
ld14a033End time ld14a001constructed
ld14a034End date ld14a002constructed
ld14a035End time ld14a002constructed
ld14a036End date ld14a003constructed
ld14a037End time ld14a003constructed
ld14a038End date ld14a004constructed
ld14a039End time ld14a004constructed
ld14a040End date ld14a005constructed
ld14a041End time ld14a005constructed
ld14a042End date ld14a006constructed
ld14a043End time ld14a006constructed
ld14a044End date ld14a007constructed
ld14a045End time ld14a007constructed
ld14a046End date ld14a008constructed
ld14a047End time ld14a008constructed
ld14a048End date ld14a009constructed
ld14a049End time ld14a009constructed
ld14a050End date ld14a010constructed
ld14a051End time ld14a010constructed
ld14a052End date ld14a011directly measured
ld14a053End time ld14a011constructed
ld14a054End date ld14a012constructed
ld14a055End time ld14a012constructed
ld14a056End date ld14a014constructed
ld14a057End time ld14a014constructed
ld14a058End date ld14a016constructed
ld14a059End time ld14a016constructed
ld14a060End date ld14a017constructed
ld14a061End time ld14a017constructed
ld14a062End date ld14a018constructed
ld14a063End time ld14a018constructed
ld14a064End date ld14a019constructed
ld14a065End time ld14a019constructed


Questionnaire: Professional respondents in panels

The questionnaire was administered in Dutch.

Browse Professional respondents in panels

Response Information

Response Overview
Selected number of household members: 7,999 (100%)
Non-response: 1,817 (22.7%)
Response: 6,182 (77.3%)
Complete: 6,177 (77.2%)
Incomplete: 5 (0.1%)
Collection Events
07-07-2014 to 29-07-2014
panel members aged 16 years and older
Collection Mode
internet survey
Fieldwork Note
A reminder was sent twice to non-respondents.