Style of interviewing – treatment
Personal
Formal
Style of argument Percent Percent Chi-square (df=1)
Any argument 65.7% 60.7% 1.66
Study importance mentioned
(principle of authority)
Formal 4.2% 16.5% 24.50***
Mentioning most people enjoy survey (principle of social validation) Formal 0.0% 9.3% 30.13***
Personal importance mentioned (principle of liking) Personal 9.7% 1.1% 20.63***
n= 309 279