PT Journal AU KAINZOVA, V Jan, R KORENA, D TI VOTING DEVICES IN TESTING PRECONCEPTS SO Trends in education PY 2010 BP 115 EP 118 VL 3 IS 1 DE preconcept; misconcept; voting device. AB The article introduces results of testing pre-concepts in science with usage of voting devices. Pre-concepts are an individual characteristic of each learning person. Pre-concepts are formed by various influences (school, home, native country, etc.) and the experiences. The aim of these researches resides in the pursuit of "breaking" the mistaken transcendental images and, of course, in teachers and pupils awareness of the most frequent errors in the preconcepts organization. Pre-concepts researches and the concepts changes are the basis of the constructivist conception of the scientific education. ER