Considerations in determining sample size for pilot studies.

By Melody Hertzog. Research in Nursing and Health, 2008

2,256 citations recorded by the source corpus.

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

Assessing the professional identity of primary student teachers: Design and validation of the Teacher Identity Measurement Scale (2020, background): “Finally, 13 student teachers completed the TIMS online without supervision and were asked to report on their levels of concentration during the administration (cf. Hertzog, 2008).”
An audit of sample sizes for pilot and feasibility trials being undertaken in the United Kingdom registered in the United Kingdom Clinical Research Network database (2013, methodology): “Hertzog [6] recommends the Julious and Patterson [7] method of using confidence intervals for a given precision constructed around the anticipated value to set the sample size;”
Initial Scale Development: Sample Size for Pilot Studies (2010, background): “For example, in a discussion of exploratory and pilot studies, Isaac and Michael (1995) suggested that “samples with N’s between 10 and 30 have many practical advantages” (p.”
A fully automated conversational agent for promoting mental well-being: A pilot RCT using mixed methods (2017, background): “However, it has been suggested that smaller sample sizes in the range of 10 – 20 participants per group can be su ﬃ cient (Hertzog, 2008; Kieser and Wassmer, 1996).”