¿Por qué he dicho blanco si quería decir negro?

Synopsis of ¿Por qué he dicho blanco si quería decir negro?

«¿Por qué he dicho blanco si quería decir negro?» is the assertiveness manual by Manuel Güell Barceló, published by Editorial Graó in paperback, in Catalan.

The work starts from assertiveness as a social skill to express one's own opinions, emotions and beliefs clearly and respectfully, defend personal rights and accept criticism without guilt. It explains how to determine the degree of assertiveness, presents assertive techniques and shows their application in the classroom, with colleagues and superiors; it also addresses the relationship between assertiveness, self-esteem and cognitive distortions.

The work belongs to the Desenvolupament Personal del Professorat collection, of which it is number 2; it has 135 pages and was published on 29 April 2005.

It is aimed at teachers in compulsory, university and adult education, as well as trainers from consultancies specialised in training in organisations.