Onwuegbuzie, Anthony J. <br/><br/>
The validation of three scales measuring anxiety at different stages of the foreign language learning process : the input anxiety scale, the processing axienty scale and the output anxiety scale 

 -  2000. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ansiedad<br/>Anxiety<br/>Foreign language learning<br/>Aprendizaje de lenguas extranjeras