> decrease of probability that a particular individual will act, with decrease in group size I believe the study did show that. I heard an interview with one o

> decrease of probability that a particular individual will act, with decrease in group size I believe the study did show that. I heard an interview with one of the authors on the radio (so my memory may be faulty). So I don't think it really debunked the bystander effect, rather he made a point along the lines of, 'it doesn't really matter, the more people present means it's the more likely that one of them intervenes'.