UV Intervention Outcomes

		int_post
		B	CI	p
(Intercept)		1.99	0.64 – 3.33	.005
int_pre		0.51	0.22 – 0.80	<.001
is_treatment		0.18	-0.10 – 0.46	.210
Observations		55
R² / adj. R²		.206 / .175

		uv_post
		B	CI	p
(Intercept)		0.48	-0.57 – 1.53	.363
uv_pre		0.81	0.55 – 1.06	<.001
is_treatment		0.13	-0.26 – 0.52	.503
Observations		56
R² / adj. R²		.432 / .411

		percomp_post
		B	CI	p
(Intercept)		2.64	1.25 – 4.04	<.001
percomp_pre		0.22	-0.20 – 0.63	.301
is_treatment		-0.02	-0.58 – 0.53	.931
Observations		51
R² / adj. R²		.022 / -.018

		Final_Grade
		B	CI	p
(Intercept)		78.31	73.86 – 82.77	<.001
is_treatment		-1.60	-7.64 – 4.43	.600
Observations		145
R² / adj. R²		.002 / -.005

		Final_Grade
		B	CI	p
Fixed Parts
(Intercept)		79.90	73.80 – 86.00	<.001
is_treatment		-2.90	-11.52 – 5.73	.529
Random Parts
σ²		320.299
τ_{00, course}		21.964
N_course		12
ICC_course		0.064
Observations		145
R² / Ω₀²		.095 / .071