Quantitative data can be highly biased. This data is often collected by those prone to bias and since it’s impossible for humans to be bias free, it can cause issues with validity of an experiment. Atkinson’s study of coroners and suicide was an interpretivist critique of Durkheim’s study and noted that his methodology was flawed. In suicide, since coroners can only decide on the result of death based on close ones, it suggests that quantitative data can‘t be fully value free and completely valid