To investigate further the basic item-factor structure of the Junior Eysenck Personality Inventory, a principal components analysis and varimax rotation were conducted on responses of 866 children (aged 7 to 16 yr.) from schools in the Rotorua area of New Zealand. Ten factors were extracted of which 7 were interpretable. These were named: Factor 1. Neuroticism I (Neurotic affect), Factor 2. Extraversion I (Impulsivity), Factor 3. Lie Scale, Factor 4. Extraversion II (Introversion), Factor 5. Extraversion III (Jocularity), Factor 6. Extraversion IV (Sociability), Factor 8. Neuroticism II (Neurotic ideation).
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