Table 3 Discrimination measures of the ten most and least discriminatory items of the latent factors of political ideology in the WoM-2013, WoM-2017, and WoM-2021.

From: Is issue voting solely based on issues? Latent factors of political ideology in response patterns of voting advice applications

 

WoM-2013

WoM-2017

WoM-2021

Rank

Item (#)

DM

Item (#)

DM

Item (#)

DM

1

More migration background in the public service (23)

0.40

Upper limit for asylum seekers (3)

0.37

Tax on high wealth (28)

0.50

2

Hartz-IV sanctions (29)

0.34

Continuation of lignite mining (20)

0.34

Increase of the minimum wage (36)

0.41

3

Increase of the top tax rate (10)

0.32

Cut benefits for refugees (34)

0.34

Taxation of air travel (37)

0.40

4

Minimum wage (1)

0.32

Child benefits for Germans only (13)

0.31

Withdrawal from the EU (25)

0.39

5

Admitting large numbers of refugees (15)

0.32

Dual citizenship (22)

0.30

Linguistic consideration of gender identities (15)

0.39

6

Ban on arms exports (24)

0.31

Military spending (10)

0.30

Wind energy (4)

0.38

7

Introduction of an unconditional basic income (7)

0.28

Taxation of Diesel fuels (2)

0.30

Voting from 16 (3)

0.38

8

Sole debt liability of the state concerned (32)

0.27

Abolishment of solidarity surcharge (33)

0.29

Nord Stream 2 (16)

0.36

9

Limitation of rent increases (35)

0.26

Debt relief for Greece (8)

0.28

Organic farming (31)

0.36

10

Stronger state regulation of electricity prices (5)

0.23

Abolishment of woman’s quota (25)

0.27

Internal combustion engine (19)

0.33

 

29

Disclosure of MPs’ additional income (27)

0.07

Public debt reduction (18)

0.18

Asylum only for political persecutes (35)

0.16

30

Turkey’s accession to the EU (26)

0.07

Fixed term employments (14)

0.16

Facial recognition in video surveillance (29)

0.16

31

Withdrawal from NATO (11)

0.05

Statutory health insurances (28)

0.15

Married couples without children (30)

0.16

32

Lowering the retirement age (22)

0.05

Earlier retirement (23)

0.15

Increase in defence spending (2)

0.13

33

Collection of church tax by the state (30)

0.03

Reference to God in the Constitution (36)

0.12

Increase in CO2 price (33)

0.13

34

Referendums at federal level (38)

0.03

Legal claim of all-day care (35)

0.09

Sale of cannabis (24)

0.12

35

Childcare allowance for non-daycare attending children (2)

0.03

Legalization of cannabis (32)

0.07

Patent protection for vaccines (6)

0.12

36

BAföG payments independent of parental income (18)

0.02

Fake news prevention (11)

0.06

Tax on digital services (10)

0.11

37

Use of the autobahns at a charge (37)

0.02

Mandatory vaccination (15)

0.04

Home office (38)

0.08

38

Ban on unconstitutional parties (17)

0.02

Study loans independent of parent’s income (6)

0.04

Contracts with Chinese companies (22)

0.06

  1. DM discrimination measure. Large discrimination measures correspond to a large spread among the agreement with this statement and, consequently, indicate a high degree of discrimination between the agreement of a statement along the latent factor of political ideology.