Effects of a financial incentive on the response rate to an online questionnaire

Effects of a financial incentive on the response rate to an online questionnaire: a randomised controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN59912797

Enrollment

536

Registered

2009-03-27

Start date

2008-10-13

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Research dissemination Not Applicable

Interventions

Knowledge of incentive vs no knowledge of incentive. Gift vouchers (from Amazon.com, Inc.) to the value of £10 (British pounds) were to be given to all participants who completed the questionnaire. Th

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: UK based principal investigators of health services and public health research completed 2003-2008 and (extramural) funded by the Chief Scientist Office, Economic and Social Research Council, Medical Research Council, NIHR Health Technology Assessment Programme, NIHR Service Delivery and Organisation Programme or Wellcome Trust.

Exclusion criteria

Exclusion criteria: Any principal investigators not based in UK.

Design outcomes

Primary

Measure	Time frame
Rate of response between the two groups.	—

Secondary

Measure	Time frame
No secondary outcome measures	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 31, 2026