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Comparing MTurk and the US Population’s Occupational Diversity

We compare the occupational diversity of two convenient MTurk samples against the broader US economy from which they have been indirectly sampled. We focus on the occupational diversity given a chief concern that findings from OB/HR investigations relying on MTurk might not generalize to the broader US economy. Additionally, as researchers may hope to target specific populations (e.g., sales professionals) understanding the extent to which these professionals represent the MTurk population would be helpful. Therefore, we compare the occupational diversity of MTurk against that described by the Bureau of Labor Statistics, testing the null hypothesis that these populations are equivalent in terms of occupational diversity. Across both samples, which were obtained from studies conducted in 2015, we found differences suggesting that the MTurk population is generally overrepresented by white collar professionals, though this is an imperfect trend. This trend replicated for data obtained in 2017.