Professor Roger Mortimore explains “perceptual maps”, which present what the public thinks of the parties (and their leaders) visually so they can easily be compared.
Ipsos's April Political Monitor looks at which issues voters will influence their decision and which party they think has the best policies on each one.
Q I am going to read out a list of problems facing Britain today. I would like you to tell me whether you think the Conservative party, the Labour party or the Liberal Democrats has the best policies on each problem.
Q I am going to read out a list of problems facing Britain today. I would like you to tell me whether you think the Conservative party, the Labour party or the Liberal Democrats has the best policies on each problem.