Table 5. Southeastern Brazilian students’ tendencies about conservation actions in the period 2007/2010–2011/2014.

Tendencies of students’ values and attitudes (1 = fully disagree/4 = fully agree) in the southeastern region of Brazil in the period 2007–2014 showing their level of agreement regarding 14 statements (see Table 3 for phrasing). Numbers in blue show agreement (x > 2.5), and numbers in red show disagreement (x < 2.5). Tendency arrows consider national samples only (2010–2011 and 2014, see text and the Supplementary Materials). P value bold numbers show significant variation in the period considering the three samplings.

Items	2007		2010–2011		2014		2010–2014		P value (Kruskal- Wallis test)
	Average	SD	Average	SD	Average	SD	Tendency	Valid cases
Items stating the need of individual and collective conservation actions
C29	3.15	0.93	2.91	1.04	2.98	1.07		1.096	0.010
C30	3.36	0.88	3.35	0.88	3.54	0.77		1.101	0.003
C31	3.45	0.84	3.55	0.78	3.75	0.62		1.102	<0.0005
C32	2.54	1.04	2.67	1.03	2.70	1.05		1.092	0.104
C33	3.15	0.99	2.97	0.98	2.86	1.07		1.089	<0.0005
C35	3.34	0.95	3.38	0.90	3.57	0.77		1.102	0.001
E65	3.01	0.98	2.79	1.05	2.87	1.06		1.094	0.018
Items stating the overselling of individual and collective actions for conservation
E54	2.03	0.93	2.21	0.94	2.32	0.98		1.093	<0.0005
C28	1.97	0.92	1.99	0.98	2.20	0.97		1.100	0.001
C34	1.73	0.96	1.82	0.99	1.49	0.86		1.097	<0.0005
C37	1.72	0.92	1.59	0.88	1.59	0.92		1.100	0.019
C38	2.15	1.03	2.12	1.04	1.70	0.94		1.097	<0.0005
C40	1.57	0.96	1.64	1.00	1.26	0.70		1.101	<0.0005
C41	2.11	1.03	2.29	1.09	2.02	1.12		1.093	0.001