Table 1

Quasi-factorial trial design and target sample sizes per cell.

Internet support group (ISG)


Automated skills training program (ITP)

No ISG

ISG

Target total


No ITP

125 (IAC)

125

250


ITP

125

125

250


Target total

250

250

500


Griffiths et al. BMC Psychiatry 2010 10:20   doi:10.1186/1471-244X-10-20

Open Data