This online study assessed the impact of health warning labels on energy-dense snack selection. Participants completed an online selection task where they selected a snack from a selection of 12 snacks. Depending on the condition, the health warning labels displayed 1) image-and-text HWLs 2)text-only HWLs 3) no HWLs, with or without calorie information. 

The deposit includes the following files:

FoodLabellingStudy_Protocol_v1.13 _20190325
FoodLabellingStudy_PIS_v1.0_20190325
FoodLabellingStudy_Consent form_v1.0_20190325
FoodLabellingStudy_Debrief_v1.0_20190325
FoodLabellingStudy_DataDictionary_v1.0_20190424
FoodLabellingStudy_OriginalDatabase_v1.0_20190508
FoodLabellingStudy_SAP _v2.0_20190306
FoodLabellingStudy_CodeForCodingData _v1.0_20190602
FoodLabellingStudy_CodeForAnalysis _v1.0_20200618

The data dictionary defines the contents of the data comprehensively. Data and data dictionary files can be opened in Excel.

Syntax files can be opened as text files, but are only usable in SPSS. 

SPSS software can be downloaded here: 

https://www.ibm.com/analytics/spss-statistics-software

A preregistered protocol and statistical analysis plan can be found here: https://osf.io/k7tw5/ 


