Scottish Independence: 2014 Scottish vote in numbers
12 August 2014 Last updated at 10:39 BST
According to the latest Scottish Social Attitudes Survey, voters in Scotland are increasingly anxious about the consequences of independence and yet support for independence has increased.
The Scottish Social Attitudes Survey was conducted by ScotCen Social Research between May and July.
It is the most detailed piece of research ahead of the vote on 18 September. Here is a summary of the findings.
Video produced by Newsnight's Jim Reed.