Periodieke Peiling van het Onderwijsniveau PPON, taal, einde basisonderwijs 1988

Administrative items of the school: denomination, number of pupils, doubling rules, number of permanent functions in diverse fields, division of tasks, degree of urbanization of residence, consultative structures / administration of test and task participation of each school / tasks and tests concerning writing and speaking: technique, style, formulating, interaction, contents, communicative effectiveness, punctuation/ also speech act: passing information, description, summarizing, evaluation, giving instructions, obtaining information, argumentation / pupils: language used at home/ attitudes towards using language and situations in which the pupil is confronted with usage of language ( reading books e.g., writing, visits to the library, spending leisure time ).

Background variables: basic characteristics/ place of birth