Forty one Czech children (23 boys, 18 girls, aged two years) were videoteped in three different situations, while they played with seven toys. Each child was observed for 20 minutes and the footage was afterwards subjected to a microanalysis.
And analysis tested upon three categories: Child, Mother and Nursery Nurse, subdivided into 7 subcategories (Emotions, Motorics, Manipulation, Visual Attention, Vocalisation, Posture, Physical Contact).