Table 2.

Mean raw scores for nine outcome variables at three conditions of CO₂ concentration among 22 participants, and comparison using MANOVA.

Outcome variables	Conditions (ppm of CO2) (mean ± SD)			Overall F-statistic (df = 2,42)	p-Value
	600 ppm	1,000 ppm	2,500 ppm
Basic activity	69.59 ± 7.04	59.23 ± 7.12	38.77 ± 7.57	172.77	< 0.001
Applied activity	117.86 ± 39.28	97.55 ± 35.51	62.68 ± 31.86	72.13	< 0.001
Focused activity	16.27 ± 3.20	16.09 ± 3.70	19.55 ± 3.40	17.26	< 0.001
Task orientation	140.82 ± 28.66	125.41 ± 28.62	50.45 ± 31.66	115.08	< 0.001
Initiative	20.09 ± 6.96	16.45 ± 6.70	1.41 ± 1.26	81.45	< 0.001
Information search	20.36 ± 3.06	21.5 ± 3.20	20.91 ± 3.08	2.51	> 0.10
Information usage	10.32 ± 3.21	7.95 ± 2.24	3.18 ± 1.71	129.20	< 0.001
Breadth of approach	9.36 ± 1.36	7.82 ± 1.56	2.32 ± 1.17	679.88	< 0.001
Basic strategy	27.23 ± 5.48	23.95 ± 5.65	1.68 ± 1.32	414.51	< 0.001
df, degrees of freedom.