the results, and make the research less believable. While It is essential to reduce bias as it can often occur from many complex perspectives such as personal beliefs and even unconscious preferences that the researcher might not even be aware of and because of that it is important that it is crucial to use sampling methods that can help to reduce bias and increase the reliability and validity of research findings such as the random sampling technique which represents the outcome of randomly selecting participants from a broad population ensuring that each member of the population has an equal chance of being chosen and by doing that it helps reduce the bias towards certain groups of people