In Simon-type interference tasks, participants are asked to perform a 2-choice reaction on a stimulus dimension while ignoring the stimulus position. Commonly, robust congruency effects are found; that is, reactions are faster when the relevant stimulus attribute and the assigned response match the location of the stimulus. Simon congruency…

A study of the use of the complex Finnish morphological rule system in 45 children, aged 20-24 months, examined the children's inflection of nouns and verbs in speech characteristic of everyday Finnish. Analysis of the correct, unanswered, and incorrect test items found six classes of errors, which were then examined for clues to the underlying…

Analysis of error patterns in a test taken by 698 Finnish university students shows errors are made in this declining order of frequency: grammar, pronunciation, vocabulary, and use. More talkative students were proportionately more proficient per utterance, and higher proficiency also correlated with sex (female) and high matriculation test…