Public perceptions of crime & the criminal justice system survey 2014 results [pdf, 1.3 MB]
...statistically significant at the 95% confidence level or greater. The survey was conducted online using a representative sample from Colmar Brunton’s research panel. The questionnaire took 17 minutes to complete (on average). The overall response rate was 35% (this is simply calculated as the number of completes divided by the number of emails sent out). This response rate is standard for an online panel survey with the general public involving a seventeen minute quest...