Julius Sim

Saturation in qualitative research: exploring its conceptualization and operationalization

Benjamin Saunders, Julius Sim, Tom Kingstone et al. · Quality & Quantity · 2017 · 11.6K citations · Full text

Social Sciences, Anthropology, Ethnography +9

The Kappa Statistic in Reliability Studies: Use, Interpretation, and Sample Size Requirements

Julius Sim, Chris Wright · Physical Therapy · 2005 · 4.1K citations · Full text

Health Professions, Biostatistics, Musculoskeletal Medicine +15

The size of a pilot study for a clinical trial should be calculated in relation to considerations of precision and efficiency

Julius Sim, Martyn Lewis · Journal of Clinical Epidemiology · 2011 · 1.1K citations

Public Health, Biostatistics, Experimental Design +11

COVID-19 vaccination intention in the UK: results from the COVID-19 vaccination acceptability study (CoVAccS), a nationally representative cross-sectional survey

Susan M. Sherman, Louise Smith, Julius Sim et al. · Human Vaccines & Immunotherapeutics · 2020 · 776 citations · Full text

Medicine, Infectious Diseases, Preventive Medicine +17

Can sample size in qualitative research be determined a priori?

Julius Sim, Benjamin Saunders, Jackie Waterfield et al. · International Journal of Social Research Methodology · 2018 · 700 citations · Full text

Education, Philosophy, Experimental Design +14