«Symptoms of the 3 year old child´s crisis» questionnaire:psychometric characteristics

The article describes the psychometric characteristics of the «Symptoms of the 3 year old child´s crisis» questionnaire by V.Vasilenko. The questionnaire is designed for parents and aims to identify the symptoms of the 3 categories: negativistic, constructive and neurotic. The study involved 255 mothers of the children from 2 to 4 years (138 children from Saint-Petersburg and 117 children from Vsevolozhsk district of the Leningrad region): 138 boys and 117 girls. Mage = 3 years. Subcritical and acute phases of the crisis were revealed. For all the overall indexes of the crisis and for all the symptoms of constructive and negativistic categories (main symptoms) the distribution of the data was close to normal. Cronbach's alpha by comparing 16 individual scales of the questionnaire is 0,79, it is close to the level of «good reliability». Coherence the data of the «Symptoms of the 3 year old child´s crisis questionnaire» by V. Vasilenko and «Manifestations of the 3 year old child´s crisis questionnaire» by T.Guskova was revealed. Conducted procedures confirmed the representativeness, internal consistency, construct, concurrent validity and test-retest reliability of the questionnaire.