Disnews exposure binary (Wave 1)
0 = no exposure
1 = exposure

Placebo news recall 1 (Wave 1): Police thwarts terror plot planned by left-wing extremists and Salafists
0 = no recall
1 = recall

Disnews believability Wave 1 (sum score)
-9 = no response
0 = certainly false
4 = certainly true

News media trust 1 (Wave 1): News media pay enough attention to important political topics
-9 = no response
1 = not correct at all
7 = fully correct

Voting intention (Wave 1)
-99 = prefer not to say
-9 = no response
-1 = don't know
0 = none
1 = CDU
2 = CSU
3 = SPD
4 = FDP
5 = Die Linke
6 = Bündnis 90 / Die Grünen
7 = AfD
8 = other party
9 = Tierschutzpartei
10 = Piratenpartei
11 = NPD
12 = Freie Wähler
13 = Die Partei

Voting intention (Wave 1) recoded
-99 = prefer not to say
0 = none
1 = CDU
2 = SPD
3 = FDP
4 = Die Linke
5 = Bündnis 90 / Die Grünen
6 = AfD
7 = other

Voting intention (Wave 1) base: CDU/CSU
-99 = prefer not to say
-9 = other
0 = undecided
1 = SPD
2 = Opposition
3 = AfD
4 = CDU

Voting intention (Wave 1): CDU/CSU
-99 = prefer not to say
-9 = other
0 = no
1 = yes

Vote choice (Wave 3)
-99 = prefer not to say
-9 = no response
0 = Abstention
1 = CDU
2 = CSU
3 = SPD
4 = FDP
5 = Die Linke
6 = Bündnis 90 / Die Grünen
7 = AfD
8 = other party
9 = Tierschutzpartei
10 = Piratenpartei
11 = NPD
12 = Freie Wähler
13 = Die Partei

Vote choice (Wave 3) recoded
-99 = prefer not to say
0 = Abstention
1 = CDU
2 = SPD
3 = FDP
4 = Die Linke
5 = Bündnis 90 / Die Grünen
6 = AfD
7 = other

Vote choice (Wave 3) base: Union
-99 = prefer not to say
-9 = other
0 = Abstention
1 = SPD
2 = Opposition
3 = AfD
4 = CDU

Gender
-9 = no response
1 = male
2 = female

Age groups
1 = 18-29
2 = 30-39
3 = 40-49
4 = 50-59
5 = from 60 upwards

Education
-9 = no response
1 = still going to school
2 = left school without a certificate
3 = secondary modern school certificate
4 = secondary school certificate
5 = advanced technical college certificate
6 = higher school certificate (Abitur)
7 = polytechnic degree
8 = university degree
9 = doctorate
10 = habilitation
11 = other

Education groups
1 = without certificate
2 = secondary modern school certificate
3 = secondary school certificate
4 = advanced technical college or higher school certificate

Federal state
-9 = no response
-1 = resident abroad
1 = Baden-Wuerttemberg
2 = Bavaria
3 = Berlin
4 = Brandenburg
5 = Bremen
6 = Hamburg
7 = Hesse
8 = Mecklenburg-Western Pomerania
9 = Lower Saxony
10 = North Rhine-Westphalia
11 = Rhineland-Palatinate
12 = Saarland
13 = Saxony
14 = Saxony-Anhalt
15 = Schleswig-Holstein
16 = Thuringia

West (0) vs. East (1)
0 = west
1 = east

Political ideology
-9 = no response
1 = left
10 = right

Social media news use (sum score)
-9 = no response
1 = never
2 = rarely
3 = occasionally
4 = often
5 = very often

Traditional news media use (sum score)
-9 = no response
1 = on 0 days
2 = on 1 days
3 = on 2 days
4 = on 3 days
5 = on 4 days
6 = on 5 days
7 = on 6 days
8 = on 7 days