Table 1 Fundamental frequency as main effect and two-way interaction between tonality and treatment

pitch [Low]

0.428

0.426–0.430

-346.883

< 0.001

tonality [Noisy]

1.516

1.509–1.523

169.717

< 0.001

Treatment [Oxytocin]

1.748

0.801–3.818

1.402

0.161

tonality [Noisy] × Treatment

[Oxytocin]

0.497

0.311–0.796

-2.909

0.004

Random Effects

σ²

3.29

τ_{00 ID}

2.51

ICC

0.43

N _ID

40

Observations

480

Marginal R² / Conditional R²

0.037 / 0.454