Overall, 51 percent of those questioned said they support independence, 42 percent said they would vote to stay in the UK and 7 percent of voters were undecided.
When undecided voters were excluded, 55 percent favoured Scotland leaving the UK, with 45 percent preferring to stay in the Union.
Panelbase questioned a total of 1,011 people across Scotland between August 12 and 18 for the research