ILoveTTATT2: I think this would be an interesting stat that has never been done before. I am certain that the results will be that the internet significantly reduces time in for everyone. A graph of "time in" vs year would be very insightful. I am sure that there will be more "lifers" in previous generations, and much less now.
My problem is that your survey doesn't question whether the Internet was a key factor in leaving the organization earlier or if it was a factor at all. Several posters, including me have stated that it was not a factor. I'm curious as to why it is you think that this is the key factor? Why not any one or combination of the following or some other unknown reason:
Increasing control from the top down-- I knew with every fiber of my being that contact with DF'd/DA'd family members for "essential family business" only would give way to no contact before it was even put in print, and I walked away not knowing TTATT.
Stricter rules on shunning-- When I got baptized (1976), the teaching was you could have normal family relations, just not talk about "spiritual matters". I left because I refused to shun my son.
Significant increase in "New Light" (How can "The Truth" change so often over time?)-- there have been non-stop and significant doctrinal changes and flip flops together with random inane restrictions. From my perspective, after being involved for over four decades, JWs just don't know what they believe anymore.
Child sexual abuse in church communities increasingly reported in the media-- I knew of at least two pedophiles in my former congregations. It did not escape my notice that this was not being addressed by JWs.
Just my 2 cents