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Source: BMC - BioMed Central
Resulting in 2 citations.
1. Sorjonen, Kimmo
Falkstedt, Daniel
Wallin, Alma Sörberg
Melin, Bo
Nilsonne, Gustav
Dangers of Residual Confounding: A Cautionary Tale featuring Cognitive Ability, Socioeconomic Background, and Education
BMC Psychology 9, 145 (September 2021): DOI: 10.1186/s40359-021-00653-z.
Also: https://link.springer.com/article/10.1186/s40359-021-00653-z
Cohort(s): NLSY97
Publisher: Springer
Keyword(s): Cognitive Ability; Educational Attainment; Socioeconomic Background

Permission to reprint the abstract has not been received from the publisher.

Background: Cognitive ability and socioeconomic background (SEB) have been previously identified as determinants of achieved level of education. According to a "discrimination hypothesis", higher cognitive ability is required from those with lower SEB in order to achieve the same level of education as those with higher SEB. Support for this hypothesis has been claimed from the observation of a positive association between SEB and achieved level of education when adjusting for cognitive ability. We propose a competing hypothesis that the observed association is due to residual confounding.

Methods: To adjudicate between the discrimination and the residual confounding hypotheses, data from the 1997 National Longitudinal Survey of Youth (NLSY97, N = 8984) was utilized, including a check of the logic where we switched predictor and outcome variables.

Results: The expected positive association between SEB and achieved level of education when adjusting for cognitive ability (predicted by both hypotheses) was found, but a positive association between cognitive ability and SEB when adjusting for level of education (predicted only by the residual confounding hypothesis) was also observed.

Bibliography Citation
Sorjonen, Kimmo, Daniel Falkstedt, Alma Sörberg Wallin, Bo Melin and Gustav Nilsonne. "Dangers of Residual Confounding: A Cautionary Tale featuring Cognitive Ability, Socioeconomic Background, and Education." BMC Psychology 9, 145 (September 2021): DOI: 10.1186/s40359-021-00653-z.
2. Sorjonen, Kimmo
Wallin, Alma Sörberg
Falkstedt, Daniel
Melin, Bo
Personality Trait by Intelligence Interaction Effects on Grades Tend to Be Synergistic
BMC Psychology 9 (Dec 2021): 202.
Also: https://link.springer.com/article/10.1186/s40359-021-00708-1
Cohort(s): NLSY97
Publisher: BMC - BioMed Central
Keyword(s): Armed Services Vocational Aptitude Battery (ASVAB); Grade Point Average (GPA)/Grades; Intelligence; Personality/Big Five Factor Model or Traits

Permission to reprint the abstract has not been received from the publisher.

Background: Earlier research has identified both synergistic and compensatory personality traits by intelligence interaction effects on academic performance.

Methods: The present study employed data on intelligence, personality traits, and academic performance in the 1997 National Longitudinal Survey of Youth (NLSY97, N = 8984).

Results: Some intelligence by personality trait interaction effects, mainly involving indicators of dependability, on high school grades were identified. The interaction effects tended to be synergistic, meaning that the association between the trait and grades tended to strengthen with increased intelligence. A positive association between intelligence and the reliability in the measurement of a dependability composite score accounted for a substantial portion of the synergistic dependability by intelligence interaction effect on academic performance.

Bibliography Citation
Sorjonen, Kimmo, Alma Sörberg Wallin, Daniel Falkstedt and Bo Melin. "Personality Trait by Intelligence Interaction Effects on Grades Tend to Be Synergistic." BMC Psychology 9 (Dec 2021): 202.