TABLE V.

LME models fit by REML for the subjective response variables effort, control, comfort, and clarity, including fixed factors style, room, panel, and a random effects term: subject. Reference levels are normal style, anechoic room, and absent panels.

Fixed factors	Estimate (—)	Standard error (—)	df	t	pa
Effort
(Intercept)	31.60	4.39	40	7.19	<0.001***
Loud style	27.48	2.46	215	11.13	<0.001***
Semi-reverberant R	−5.11	3.01	215	−1.69	0.092.
Reverberant R	−9.89	3.02	215	−3.27	0.001**
Panel present	−4.95	2.46	215	−2.00	<0.05 *
Control
(Intercept)	75.5	3.95	42	19.12	<0.001***
Loud style	−10.28	2.28	218	−4.51	<0.001***
Semi-reverberant R	−0.74	2.8	215	−0.27	0.790
Reverberant R	1.23	2.8	215	0.44	0.662
Panel present	1.13	2.29	215	0.5	0.621
Comfort
(Intercept)	73.7	4.23	40	17.42	<0.001***
Loud style	−20.35	2.38	215	−8.55	<0.001***
Semi-reverberant R	−0.96	2.91	215	−0.33	0.741
Reverberant R	3.77	2.92	215	1.29	0.198
Panel present	−0.22	2.38	215	−0.09	0.927
Clarity
(Intercept)	68.77	3.5	58	19.66	<0.001***
Loud style	0.17	2.3	215	0.075	0.940
Semi-reverberant R	−1.23	2.84	215	−0.43	0.666
Reverberant R	0.78	2.85	215	0.275	0.783
Panel present	4.38	2.32	215	1.88	0.061.

^aSignif. codes: “***” < 0.001, “**” < 0.01, “*” < 0.05, “.” < 0.1.