[Development of the proactive/reactive aggressiveness questionnaire for teachers: factor structure and psychometric properties].

Development of the proactive/reactive questionnaire for teachers: factor structure and psychometric properties. The main purpose of this study was to develop a proactive/reactive aggression questionnaire for children in Spanish, reported by teachers. To develop the questionnaire, we selected eight items from the most widely used questionnaires in English using the criteria of a group of experts.

[Assessment of psychopathology in preschool age children through the Early Childhood Inventory-4 (ECI-4): agreement among parents and teachers].

The main purpose of this study is to determine the level of agreement among parents and teachers as informants in each one of the dimensions or diagnostic categories of the Early Childhood Inventory-4 (ECI-4). Moreover, the effect of health problems in parents in the description and appraisal of behaviour of a sample of 204 students of preschool (3-6 years) of various socioeconomic profiles is analyzed. The results indicate that parents tend to value the symptoms with greater severity, and higher agreement was observed when informing about developmental disorders.