respondent's latent expertise on the federal proposal "Änderung vom 19. März 2021 des Bundesgesetzes über die gesetzlichen Grundlagen für Verordnungen des Bundesrates zur Bewältigung der Covid-19-Epidemie (Covid-Gesetz)" (based on a 2–3 parameter logistic Item Response Theory (IRT) model, also known as Birnbaum model, fed with passed_skill_question_1_federal_proposal_3, passed_skill_question_2_federal_proposal_3 and passed_skill_question_3_federal_proposal_3; only voters)

respondent's latent expertise on the federal proposal "Änderung vom 19. März 2021 des Bundesgesetzes über die gesetzlichen Grundlagen für Verordnungen des Bundesrates zur Bewältigung der Covid-19-Epidemie (Covid-Gesetz)", measured in 5 discrete categories (based on latent_expertise_federal_proposal_3; only voters)

respondent's latent expertise on all federal proposals together (based on a 2–3 parameter logistic Item Response Theory (IRT) model, also known as Birnbaum model, fed with passed_skill_question_1_federal_proposal_2, passed_skill_question_2_federal_proposal_2, passed_skill_question_3_federal_proposal_2, passed_skill_question_1_federal_proposal_3, passed_skill_question_2_federal_proposal_3 and passed_skill_question_3_federal_proposal_3; only voters)

respondent's latent expertise on all federal proposals together, measured in 5 discrete categories (based on latent_expertise_federal_proposals; only voters)