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Table 2 Chi-square test results for the proportion of fresh fruits vs. confectionary, healthy bread rolls vs. croissants across the baseline week, the nudge week, the washout weeks, and the nudge and disclosure week

From: Cueing healthier alternatives for take-away: a field experiment on the effects of (disclosing) three nudges on food choices

 

N

χ2

p

Accessibility nudge (fruits vs. confectionary)

 Three week period

821

16.08

<.001**

 Three week period + washout

1034

16.73

<.001**

 Nudge vs. baseline

520

12.18

<.001**

 Disclosure vs. baseline

533

12.93

<.001**

 Nudge vs. disclosure

589

.006

.94

 Washout vs. baseline

445

9.10

.003**

 Washout vs. nudge

501

.06

.80

 Washout vs. disclosure

514

.10

.75

Salience nudge (healthy bread rolls vs. croissants)

 Three week period

1626

3.67

.16

  1. Note. P-values denoted with ** are significant at the alpha = .005 level