Acquisition Classes (�Education) Classroom management Conduite Congr�es Congresses Diff�erences entre sexes en �education Education English as a Second Language Étude et enseignement FOREIGN LANGUAGE STUDY Facteurs sexuels Interaction analysis in education Interaction en �education Interpersonal Relations Interpersoonlijke interactie Langage et culture Langage et langues Language and culture Language and languages Langue seconde Maladies Multilingualism in children Multilinguisme chez l'enfant Onderwijs Relations enseignants-�el�eves Second language acquisition Seksen Sex Factors Sex differences in education