β

SE

t-value

Adjunct clause

Intercept

−0.096

0.087

−1.101

Dependency

−0.593

0.130

−4.567

Presence or Absence of Island

0.634

0.124

5.128

Dependency × Presence or Absence of Island

−0.281

0.179

−1.570

Complex NP

Intercept

0.767

0.053

14.404

Dependency

−1.233

0.114

−10.842

Presence or Absence of Island

−0.094

0.146

−0.640

Dependency × Presence or Absence of Island

0.229

0.196

1.169

Indirect question

Intercept

0.687

0.081

8.431

Dependency

−1.047

0.108

−9.652

Presence or Absence of Island

0.033

0.126

0.262

Dependency × Presence or Absence of Island

−0.039

0.223

−0.173