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Developmental changes in youth affect: A within-person approach.

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Emotional complexity, or the intricate network of feelings, decreases from childhood to adolescence. This study tracked affective changes in youth, revealing a simpler emotional structure as they mature.

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Area of Science:

  • Psychology
  • Developmental Psychology
  • Affective Science

Background:

  • Childhood to adolescence involves significant social-emotional changes affecting emotional experiences.
  • Previous research primarily focused on between-person affect, neglecting within-person emotional complexity development.
  • Understanding developmental shifts in emotional structure is crucial for adolescent well-being.

Purpose of the Study:

  • To investigate developmental changes in emotional complexity across childhood and adolescence.
  • To analyze the structure of affective experience using network analysis.
  • To identify how the associations between emotions change with age.

Main Methods:

  • Employed exploratory graph analysis on data from the Positive and Negative Affect Schedule.
  • Utilized an accelerated longitudinal design with three cohorts spanning Grades 3-12.
  • Collected data at three time points between 2007 and 2013 from 682 participants.

Main Results:

  • Observed decreases in network edge density and entropy, indicating reduced emotional complexity.
  • Found increases in R-squared values, suggesting more predictable emotional states.
  • Identified nonlinear changes in negative affective connections and mean absolute error.

Conclusions:

  • Global network metrics suggest a decrease in emotional complexity from childhood through adolescence.
  • Distinct patterns of change were noted across different network indices.
  • Findings highlight the evolving structure of affective experience during youth development.