Selection Bias

Selection bias is when a sample is selected in a way that is not completely representative of the population. This may skew the results of the study. There are different types of selection bias like sampling bias, time interval bias, susceptibility bias, and confirmation bias. Sampling bias is when the sampling method is not random. Time interval bias is introduced by studying only a particular time interval that will result in the desired conclusions. Susceptibility bias is when the cause, result, and correlation are mixed up. Confirmation bias is the tendency to accept only information that supports one’s beliefs.


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