Sim, Julius

Saturation in qualitative research: exploring its conceptualization and operationalization

Saunders, B., Sim, J., Kingstone, T., Baker, S., Waterfield, J., Bartlam, B., Burroughs, H., & Jinks, C. (2018) · Quality & Quantity

Qualitative Research Methods and ApplicationsQualitative Research Methods and Ethics

Cited by 12,033

The kappa statistic in reliability studies: use, interpretation, and sample size requirements

Sim, J., & Wright, C. C. (2005) · Physical Therapy

Reliability and Agreement in MeasurementStatistical Methods in Epidemiology

Cited by 4,093

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

Sim, J., & Lewis, M. (2012) · Journal of Clinical Epidemiology

Statistical Methods in Clinical TrialsStatistical Methods in Epidemiology

Cited by 1,036

Collecting and analysing qualitative data: issues raised by the focus group

Sim, J. (1998) · Journal of Advanced Nursing

Focus Groups and Qualitative MethodsQualitative Research Methods and Applications

Cited by 834

A systematic review and meta-analysis of the prevalence of chronic widespread pain in the general population

Mansfield, K. E., Sim, J., Jordan, J. L., & Jordan, K. P. (2016) · Pain

Fibromyalgia and Chronic Fatigue Syndrome ResearchMusculoskeletal pain and rehabilitation

Cited by 402

Intention-to-treat approach to data from randomized controlled trials: a sensitivity analysis

Wright, C. C., & Sim, J. (2003) · Journal of Clinical Epidemiology

Statistical Methods in Clinical TrialsAdvanced Causal Inference Techniques

Cited by 171

Predictors of poor outcome in patients with neck pain treated by physical therapy

Hill, J. C., Lewis, M., Sim, J., Hay, E. M., & Dziedzic, K. (2007) · The Clinical Journal of Pain

Musculoskeletal pain and rehabilitationMedical Practices and Rehabilitation

Cited by 132

Should treatment effects be estimated in pilot and feasibility studies?

Sim, J. (2019) · Pilot and Feasibility Studies

Statistical Methods in Clinical TrialsMeta-analysis and systematic reviews

Cited by 123

A systematic review finds variable use of the intention-to-treat principle in musculoskeletal randomized controlled trials with missing data

Joseph, R., Sim, J., Ogollah, R., & Lewis, M. (2015) · Journal of Clinical Epidemiology

Statistical Methods in Clinical TrialsMeta-analysis and systematic reviews

Cited by 50