If you speak German, Danish, Spanish or Portugese then you may be interested in these translations of Positive Petzine articles on clicker training, positive dog training and operant conditioning: German [1] Danish [2] Spanish [3] Portuguese [4] If you - - are a dog training instructor - own a dog or pet related website - speak a language other than English - want to use Positive Petzine articles in your class or on your website ...then I would love to hear from you [5]. You are free to use those Positive Petzine articles that are available for free re-print (I have a directory of those articles), translated into your language, provided you allow us to also publish them on this website, credit the author, and include a link back to this website. Translated articles will feature a link back to your own website if you have one.