Supplement to:Volker, Beate. 2017. ”Revisiting Broken Windows:The Role of Neighborhood and Individual Charac-teristics in Reaction to Disorder Cues” SociologicalScience 4: 528-551.

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SupplementaryMaterialsAppendix1 Table A1.1: Overview of field experiments by Keizer et al. (2008/2013)

Experiment Conditions Behavior under study N

Occurrence of behavior under study (%)

2013

Fallen letter close to mailbox

Order Clean surroundings Posting the letter 136 individuals 24

Disorder Litter around mailbox 140 individuals 10

Fallen bicycle

Order1 Clean surroundings

Picking up bike

66 individuals/ 20

26 groups 27

Order2 Clean surroundings + respectful confederates

56 individuals 34

43 groups 35

Disorder Garbage bags near bike 77 individuals 6 21 groups 5

Fallen oranges

Order1 Clean environment

Helping

50 individuals 40

Order2 = Order1 plus confederate picked up lost can

56 individuals 64

Order3 = Order2 plus confederate sweeping street

61 individuals 82

2008

Flyers on bike Order No graffiti

Littering 77 individuals 77 individuals

33

Disorder Graffiti 69

No trespassing sign

Order Only sign

Taking another route

44 individuals 27

Disorder

Additional sign (“no bikes”), with bike attached to fence

49 individuals 82

Parking garage

Order Without shopping cart Littering

60 individuals 30

Disorder With unreturned shopping cart 60 individuals 58

Fireworks Order No sound of fireworks Littering 50 individuals 52 Disorder Sound of fireworks 46 individuals 80

Envelope with 5 Euros visible

Order Clean environment Stealing 70 individuals 13 Disorder Littered environment 60 individuals 27

S1

Volker Revisiting Broken Windows

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Appendix2:Sampleobserversheet:Passenger Individual

(0)/Group(1)

Sex Agecat

Foreignappearance

Noticedletter

Other-regardingbehavior

1 1 Mixed 4 0 1 12 0 male 5 0 1 03 1 females 1-3 1 04 5 ….

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Appendix3:Examplephotographsfromexperimentalsetup

Figure 1 Order condition letter experiment

Figure 2 Disorder condition letter experiment

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Appendix4:Description of key variables Table A4.1: Individual level variable (n=12528)

Frequency (n) % Experimental condition

Order 6280 55.45555555550.1 50.1 Disorder 6248 49.9 Type of experiment

Letter 9620 76,8 Bike 2482 19.8 Money 426 3.4 Observed individual characteristics Women 5787 46,2 Men 5959 47,2 Mixed group 782 6,2 Looks like migrant 3545 28.3 Age

Up to 25 1950 15.6 26-35 2849 22.7 36-45 2901 23.2 46-55 2439 19.5 56-65 1541 12.3 65+ 848 6.8 Group

2793

22.3

Table A4.2: Neighborhood level variables (n=33, source: Statistics Netherlands) Variable Average % Range

% owned property

32,98

5,00-73,50

% non-Western migrants 35,20 5,64-85,50 Residential fluctuation 118,2 90,00-137,80

% married 27,06 14,50-40,74

% elderly (65+) 12,52 7,00-39,50

Neighborhood status -.806 -5,25-1,88

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