Infant Temperament: Stability by Age, Gender, Birth Order, Term Status, and Socioeconomic Status

• DOI: 10.1111/cdev.12367
• Publication Date: 2015-04-12T12:24:53Z
• Authors: Marc H. Bornstein; Diane L. Putnick; Maria A. Gartstein; Chun‐Shin Hahn; Nancy Auestad; Deborah L. O'Connor
• Keywords: Firstborn

Two complementary studies focused on stability of infant temperament across the 1st year and considered age, gender, birth order, term status, socioeconomic status ( SES ) as moderators. Study 1 consisted 73 mothers firstborn girls boys queried at 2, 5, 13 months age. 2 335 infants different 6 12 months. Consistent positive negative affectivity factors emerged all time points both studies. Infant proved stable robust . Stability coefficients for scales were medium to large shorter (< 9 months) interassessment intervals small longer (> 10 intervals.