Daniel Kotz

A simple formula for the calculation of sample size in pilot studies

Wolfgang Viechtbauer, Luc Smits, Daniel Kotz et al. · Journal of Clinical Epidemiology · 2015 · 603 citations · Full text

Reliability, Engineering, Sampling Technique +9

Real-world effectiveness of e-cigarettes when used to aid smoking cessation: a cross-sectional population study

Jamie Brown, Emma Beard, Daniel Kotz et al. · Addiction · 2014 · 476 citations · Full text

Explaining the social gradient in smoking cessation: it’s not in the trying, but in the succeeding: Table 1

Daniel Kotz, Robert West · Tobacco Control · 2008 · 408 citations

Predictive validity of the Motivation To Stop Scale (MTSS): A single-item measure of motivation to stop smoking

Daniel Kotz, Jamie Brown, Robert West · Drug and Alcohol Dependence · 2012 · 303 citations · Full text

‘Real-world’ effectiveness of smoking cessation treatments: a population study

Daniel Kotz, Jamie Brown, Robert West · Addiction · 2013 · 282 citations