Research design Essay Example | Topics and Well Written Essays - 2000 words - 1

Research design - Essay Example The essay also examines the fundamental principles of each feature and the significance of their contribution to the results of the study. Finally, I have discussed the limitations of the RCT as used in this study and concluded by reinstating that the RCT carried in this study had a significant level of accuracy and success. Randomized Control Trial (RCT) is one of the most rigorous ways of determining whether the mode of treatment chosen and the outcome of the treatment have a cause-effect relationship. This is done by looking at the cost-effectiveness of a regime of treatment chosen. Randomization during RCT entails two procedures whereby the first step is choosing the randomization procedure that will help in coming up with an allocation that cannot be predicted. Thereafter, the allocations shall be concealed to ensure that the assignment of patients is not revealed before they are allocated to their respective groups. The allocation is not determined by the study participants or investigators. The aim of random allocation of participants is to ensure that the attributes of the participants are as similar as possible across sets at the beginning of the comparison. Proper randomization reduces the threat of a severe disparity in known and unknown factors that could affect the participants. Blinding in RCTs also known as masking is done to minimize bias. In a single blinded study, the subjects are uninformed of which group they have been assigned to, but the researchers recognize whether they have been assigned to control or treatment group. In a double blind study, both the subjects and the researchers know the groups that the subjects have been allocated to. A double blind study is regarded as being more rigorous than the single blinded study. However the readers must always consider if a study does not blind the subjects