Fig. 2From: Formal education, previous interaction and perception influence the attitudes of people toward the conservation of snakes in a large urban center of northeastern BrazilRelationship between formal education and perceptions of NUROF-UFC (Núcleo Regional de Ofiologia da Universidade Federal do Ceará) visitors toward snakes during the period between 2010 and 2013. A value of 1 was assigned to perceptions considered negative (fear, disgust, and alarmed, for example) and 0 to perceptions considered positive (curiosity, interest, and admiration, for example). The dashed line in the centre represents a trend based on the values expected by the logistic regression model. The size of the points is proportional to the sample sizeBack to article page