Publications by authors named "Allen W Gottfried"

Introduction: This study provides long-term evidence that profiles of temperament during adolescence are associated with happiness and health over two decades later.

Methods: Data are based on the ongoing Fullerton Longitudinal Study, a community-based sample in the United States. At 14 and 16 years, adolescents (N = 111; 52% male, 90% Euro-American) and their mothers (N = 105) completed the Dimensions of Temperament Survey-Revised, a scale designed specifically to assess adolescents' temperament across a set of attributes.

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In this prospective study, we examined the link between positive family relationships during childhood and adolescence and health and happiness three decades later in middle adulthood. We also investigated the stability of positive family relationships into adulthood as one possible pathway underlying this long-term association. Data were from the Fullerton Longitudinal Study (FLS) an ongoing investigation in the United States initiated in 1979 when children were aged 1 year with the most recent data collected in 2017.

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Measurement invariance is a prerequisite when comparing different groups of individuals or when studying a group of individuals across time. This assures that the same construct is assessed without measurement artifacts. This investigation applied a novel approach of simultaneous parameter linking to cross-sectional and longitudinal measures of the construct of positive family relationships.

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The construct of positive family relationships (PFR), defined as family members getting along well and supporting each other, was investigated in a long-term prospective study. A newly constructed scale of positive family relationships developed using the nominal response model of item-response theory, was subject to a longitudinal network of relations analysis. The conceptualization for this research was founded on a positive psychology framework.

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A psychometric analysis was conducted using the nominal response model under the item response theory framework to construct the Positive Family Relationships scale. Using data from the Fullerton Longitudinal Study, this scale was constructed within a long-term longitudinal framework spanning middle childhood through adolescence. Items tapping this construct were completed annually by mothers when children were aged 9 to 17 years.

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The relationship between consistency of hand preference, left hemispheric specialization, and cognitive functioning was examined in an ongoing longitudinal investigation. Children were classified as consistent or inconsistent in their hand preference across 5 assessments from ages 18 to 42 months. Findings demonstrated that (a) this early classification continued to reveal differences in cognitive functioning from 10 to 17 years but only for girls, (b) consistent girls' performances were continually higher relative to the inconsistent girls on measures of verbal intelligence and reading achievement, (c) differences between the female groups were specifically related to left-hemispheric language specialization, and (d) one factor influencing the consistent girls' development may be the amount of reading exposure received during infancy.

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Psychometric properties of the Parent-Child Relationship Inventory (PCRI) were examined using data collected from adolescents and their parents in the Fullerton Longitudinal Study. Results revealed acceptable internal consistency for most scales and moderate to high 1-year stability for all scales. Both parents' PCRI scores correlated with their views of family climate.

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