In reference to chapter 4, which talks about human and animal research and randomized trial for...

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Psychology

In reference to chapter 4, which talks about human and animalresearch and randomized trial for HIV. Such experimental methodsare intended to reduce error and bias and can therefore reduce theuncertainty of the result. Randomized trials often place physiciansin the ethically intolerable positions of choosing between the goodof the patient and society. Describe and explain any ethicalproblems this may create for a patient or the society?

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WHAT IS RANDOMISATION Randomization is a sampling method used in scientific experiments It is commonly used in randomized controlled trials in experimental research Randomisation or random allocation Assigning people in a research study to different groups without taking any similarities or differences between them into account For example it could involve using a random numbers table or a computergenerated random sequence It means that each individual or each group in the case of cluster randomisation has the same chance of having each intervention WHAT IS RANDOMIZED TRIAL Randomised controlled trial A study in which a number of similar people are randomly assigned to 2 or more groups to test a specific drug treatment or other intervention One group the experimental group has the intervention being tested the other the comparison or control group has an alternative intervention a dummy intervention placebo or no intervention at all The groups are followed up to see how effective the experimental intervention was Outcomes are measured at specific times and any difference in response between the groups is assessed statistically This method is also used to reduce bias In randomized controlled trials the research participants are assigned by chance rather than by choice to either the experimental group or the control group Randomization reduces bias as much as possible Randomization is designed to control reduce or eliminate if possible bias by See Answer

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