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Creator: Verhoeven, A.A.C., Adriaanse, M.A., De Ridder, D.T.D., De Vet, E., Fennis, B.M.
Title	Description
Reasons to Snack	This project aims to investigate the reasons for unhealthy snacking behavior. To that end, the validity and reliability of the Reasons to Snack Scale are assessed. The predictive validity of the scale is determined by measuring unhealthy snack consumption one month after administering the Reasons to Snack Scale.
Reasons to Snack > Part 1	In March 2013, the LISS panel was presented the questionnaire “Consumption of snacks”. This questionnaire aims to examine the reasons for unhealthy snacking behavior.
Reasons to Snack > Part 2	In April 2013, the LISS panel was presented part 2 of the questionnaire “Consumption of snacks”. Besides repeating the Reasons to Snack Scale, the predictive validity of the scale is determined by measuring unhealthy snack consumption.

Creator: Vingerhoets, A.J.J.M., Millings, A., Theodoridou, A., Cornelius, R.R., Schaafsma, J., Van Der Klei, M.
Title	Description
Inter-personal effects of crying	This projects consists of several studies asking questions concerning aggression, empathy and social bonding. It also incorporates an experiment into the effect of seeing emotional faces on answer behavior.
Inter-personal effects of crying > Part 1	This study consists of questions concerning aggression, empathy and social bonding. It also incorporates an experiment into the effect of seeing emotional faces on answer behavior.
Inter-personal effects of crying > Part 2	This study consists of the second wave of questions concerning aggression, empathy and social bonding. It also incorporates an experiment into the effect of seeing emotional faces on answer behavior. This study is related to study fh10a.
Inter-personal effects of crying > Part 2, repeating question	This questionnaire consists of some questions that were already asked in study hd11a and were repeated. The questions were about how likely people are moved to tears.

Creator: Winkelmann, Rainer, Studer, Raphael, A.
Title	Description
Visual Analogue Scale and Item Response Time Measurement in Happiness Research	This questionnaire examines the way people respond to the same question asked using different answering scales.
Visual Analogue Scale and Item Response Time Measurement in Happiness Research > Part 1	This questionnaire examines the way people respond to the same question asked using different answering scales.Experimental design:In part 1 respondents were randomly assigned to a condition in which the answering type differed (discrete or ordinal).In part 2 the answering type that respondents got in part 1 was preloaded to assign them to the opposite condition (variable fl11a001).Respondents who got answering type 1 in part 1 got answering type 2 in part 2.Respondents who got answering type 2 in part 1 got answering type 1 in part 2.Respondents that didn’t participate in part 1 were assigned to a condition randomly in part 2.In part 2 a selection of respondents was presented “additional questions” at the end of the questionnaire, this as part of an internal project (variable fl11a003).
Visual Analogue Scale and Item Response Time Measurement in Happiness Research > Part 2	This questionnaire examines the way people respond to the same question asked using different answering scales.Experimental design:In part 1 respondents were randomly assigned to a condition in which the answering type differed (discrete or ordinal).In part 2 the answering type that respondents got in part 1 was preloaded to assign them to the opposite condition (variable fl11a001).Respondents who got answering type 1 in part 1 got answering type 2 in part 2.Respondents who got answering type 2 in part 1 got answering type 1 in part 2.Respondents that didn’t participate in part 1 were assigned to a condition randomly in part 2.In part 2 a selection of respondents was presented “additional questions” at the end of the questionnaire, this as part of an internal project (variable fl11a003).

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