In order to get the most accurate picture of Polish people’s voting preferences in the run-up to the general elections, CBOS made use of the potential of two different research methods, aggregating the data from each. Both were conducted during a similar time period: the survey on a representative sample of named adults, randomly selected from the National Identity Number (PESEL) register (N=1110) was conducted between 2–11 October, while the telephone survey on a random sample of mobile phone users (N=1000) was limited to 9–12 October, in the week immediately preceding the elections. Assuming a turnout of 68% (1443 people) and excluding the undecided (14% i.e. 200 people) and those who refused to give an answer (4% i.e. 61 people), the following picture of support for the competing electoral committees emerged: