Category: RCTs

The human element – why randomised control trials need mixed methods approaches

The applicability of Randomised Control Trials (RCTs) to the social sciences has been widely questioned. However, assessing the effectiveness of RCTs, in practice has proved difficult. In this post, Naila Kabeer reflects on her recent research into randomised control trials utilised as part of a programme to alleviate poverty in West Bengal and highlights how, when RCTs are used in […]

Contrary to common belief, randomised controlled trials inevitably produce biased results

Much of the social and medical sciences depend on randomised control trials. But while this may be considered the foundational experimental method, a certain degree of bias inevitably arises in any trial; whether this is sample bias, selection bias, or measurement bias. This is important as the level of validity of a trial’s causal claims can be a matter of […]