Carol Barnum

List of John Benjamins publications in which Carol Barnum is involved.

Article

Barnum, Carol 2003 The ‘magic number 5’: Is it enough for web-testing? Information Design Journal 11:2/3, pp. 160–170 | Article

Common practice holds that 80% of usability findings are discovered after five participants. Recent findings from web testing indicate that a much larger number of participants is required to get results and that independent teams testing the same web-based product do replicate results. Other… read more