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Jargon Description
Factorial Design

A trial design used to assess the individual contribution of treatments given in combination, as well as any interactive effect they may have. In a trial using a 2×2 factorial design, participants are allocated to one of four possible combinations. This type of study is usually carried out in circumstances where no interaction is likely.

Feasibility and Pilot Studies

Which programme should I apply to? There are a number of NIHR programmes which will fund feasibility and pilot studies. There are no strict rules about which programme funds which feasibility or pilot study and it is for applicants to choose the most appropriate in the context of the guidance on applicability provided by each programme. It may be that it is best suited to the Research for Patient Benefit Programme

Focus Group

A Focus Group is a small group of people brought together to talk. The purpose is to listen and gather information. It is a good way to find out how people feel or think about an issue, or to come up with possible solutions to problems.


A process of periodic contact with participants enrolled in the trial for the purpose of administering the assigned intervention(s), modifying the course of intervention(s), observing the effects of the intervention(s), or for data collection

Full and Appropriate Funding

Full and appropriate funding is provided because no upper limit is placed on the amount of funding granted for a project.


Organisation providing funding for a study (through agreements, grants or donations to an authorised member of the employing and/or care organisation). The main funder typically has a key role in scientific quality assurance. In any case, it remains responsible for securing value for money.

Funding Committee

A group of experts who consider grant applications and reviewer reports to decide whether to recommend funding.