The legacy STEM election model used until 2021
Up until the end of 2021, the STEM election model was calculated as a so-called model with an input condition. Participants were included in the model if they met three conditions described below; the preferences of participants who didn’t meet either of the three conditions were excluded from the model. On the contrary, the current […]
The 2022–2024 standard STEM model
The standard pre-election survey done by the STEM Research Institute is conducted by a combination of online questioning (CAWI) using the Czech National Panel and telephone interviews (CATI) by trained STEM/MARK operators on a representative sample of the 18+ Czech population. Participants are selected by quota sampling, and the ratio of CAWI to CATI responses […]
The 2025 weekly election model for CNN Prima News
Introduction: From January 2025 until the autumn election for the Czech Chamber of Deputies, STEM, Institute for Empirical Research will continuously monitor the electoral preferences of the Czech public. The project is commissioned by CNN Prima News. Each week we will conduct a survey of Czech voters and calculate a pre-election model. This level of […]