Another way to determine attitudes is natural language processing methods, where software algorithms use different sets of rules to decipher statements and try to glean their intended meaning.
Is it a question of saying this is simply not allowed within the police department at all, certain kinds of language, certain kinds of attitudes towards other - I mean, how do you change a culture?
Despite successes in education and in changing attitudes towards the Welsh language, he said Welsh-speaking families needed reassurance that they could thrive in west Wales.
The new poll on schools' attitudes was carried out by The Times Educational Supplement and the Centre for Information on Language Teaching and Research.