Table 1 LMM results for the cooperativeness ratings (Model 5).

From: Face coverings increase apparent honesty and cooperativeness

Predictors

Full model “cooperativeness rating”

Estimates

CI

P

(Intercept)

41.74

36.24–47.23

 < 0.001

condition [nomask]

− 8.22

− 12.06 to − 4.39

 < 0.001

partsex [m]

− 1.54

− 5.27 to 2.19

0.418

PGG (z)

0.57

− 2.16 to 3.31

0.680

Attractiveness (z)

6.74

5.53–7.96

 < 0.001

  1. Observations: 2329; Marginal R2/Conditional R2: 0.143/0.351.
  2. PGG (z): z-transformed observed behavioural value in the public goods game (“true” behaviour); Estimates: regression coefficients; CI: confidence interval; P: p-value.
  3. Significant values are in bold.
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