J Rosner, K Fern
A new version of the TVAS: a validation report
Journal of the American Optometric Association
data related research article peer effects restaurant tipping norway experimental approach 1 data stem survey experiment performed students attending inland norway university applied sciences december 2019 pertain 709 observations key variables 1 tip amount 2 peer tipping 3 bill size 4 service quality data also contain information background variables previous experience service industry financial situation respondents gender age display raw data organized way easily downloaded used directly either 1 replicate analyses performed related research article 2 run ones analyses topic interest data may also useful lecturers teaching students key concepts survey experiments causal modelling