Table 6. Value of the contrast test for each of the questions between control (CO) and experimental groups (EX) for the attitude questionnaire.

Question	N	M_Control (CO) (SD)	M_Experimental(EX) (SD)	X2	P
1. Which group do you think chimpanzees belong to?	1,637	0,89 ± 0,32	0,93 ± 0,25	10,910	0.001
2. Which of these photos do you prefer to see in a Mona sanctuary ad?	1,642	0,70 ± 0,46	0,85 ± 0,36	53,736	0.000
3. Which group do you think chimpanzees belong to?	1,644	0,62 ± 0,48	0,75	31,972	0.000
4. Which photo best shows the value of the forest?	1,640	0,97 ± 0,16	0,98 ± 0,15	0,272	0.602
5. Which group do you think chimpanzees belong to?	1,639	0,83 ± 0,38	0,89	15,059	0.000
6. Which of these photos do you prefer to see in a Mona sanctuary ad?	1,644	0,54 ± 0,50	0,87 ± 0,33	208,268	0.000
7. Which of these two situations do you prefer to be in?	1,627	0,40 ± 0,49	0,78 ± 0,41	239,383	0.000
8. How do you like to see this chimpanzee?	1,644	0,83 ± 0,37	0,94 ± 0,24	45,418	0.000