Table 1 Analysis results of the two instantiations of the experiment using a linear mixed effect model.
From: Experiments as Code and its application to VR studies in human-building interaction
(a) Session 1 | ||||||
|---|---|---|---|---|---|---|
Model: | MixedLM | Dependent Variable: | DistanceWalked | |||
No. Observations: | 275 | Method: | REML | |||
No. Groups: | 46 | Scale: | 20131.3268 | |||
Min. group size: | 5 | Log-Likelihood: | − 1740.4921 | |||
Max. group size: | 6 | Converged: | Yes | |||
Mean group size: | 6.0 | |||||
Coef. | Std.Err. | z | P\(> |\)z| | [0.025 | 0.975] | |
|---|---|---|---|---|---|---|
Intercept (Control) | 148.717 | 15.040 | 9.888 | 0.000 | 119.239 | 178.195 |
Treatment A | 4.446 | 21.211 | 0.210 | 0.834 | − 37.126 | 46.018 |
Treatment B | − 50.988 | 20.878 | − 2.442 | 0.015 | − 91.909 | -10.067 |
Group Var | 0.000 | 10.558 |
(b) Session 2 | ||||||
|---|---|---|---|---|---|---|
Model: | MixedLM | Dependent Variable: | DistanceWalked | |||
No. Observations: | 495 | Method: | REML | |||
No. Groups: | 83 | Scale: | 25518.3730 | |||
Min. group size: | 4 | Log-Likelihood: | -3201.8899 | |||
Max. group size: | 6 | Converged: | Yes | |||
Mean group size: | 6.0 | |||||
Coef. | Std.Err. | z | P\(> |\)z| | [0.025 | 0.975] | |
|---|---|---|---|---|---|---|
Intercept (Control) | 177.752 | 11.387 | 15.611 | 0.000 | 155.434 | 200.069 |
Treatment A | − 22.157 | 15.961 | − 1.388 | 0.165 | − 53.439 | 9.126 |
Treatment B | − 78.186 | 20.028 | − 3.904 | 0.000 | − 117.440 | − 38.931 |
Group Var | 0.000 | 7.662 |
