Internet participants would exhibit more signs of depression than traditional samples (Kraut et. al, 1998). This would be disproven by Gosling et. al, in 2004.

Online participants are less motivated than traditional samples, partially due to their anonymity. This was prevented by instructional manipulation checks. i.e, “Select Option C for this question”. Anonymity allowed participants to be more comfortable discussing difficult, personal topics, like mental health for example.

Since MTurk is powered by Amazon, a multinational, financially motivated business, is the data from MTurk reliable? Studies show that there is little to no difference in reliability between studies done through MTurk and through labs using college students