Koobs, Celine (2025) The Influence of Socioeconomic Status and Gender on Verbal Intelligence. Bachelor thesis, Psychology.
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Abstract
This study examined the influence of socioeconomic status (SES) and gender on the development of verbal intelligence across childhood. After deleting children with missing and implausible values, the sample consisted of 1476 Dutch children (699 boys, 777 girls) aged 4.35 to 21.89 years old (M = 11.22, SD = 4.42). Verbal intelligence was assessed using two subtest from the IDS-2 diagnostic test. SES was based on the educational level of the mother and categorized into low, medium and high. The verbal scores of the children were analyzed using Generalized Additive Models for Location, Scale and Shape (GAMLSS). Results indicated a significant positive relationship between SES and verbal intelligence. Children from medium and high SES backgrounds showed steeper growth trajectories than children from low SES backgrounds. Gender did not significantly influence verbal intelligence once SES was accounted for. Additionally, the variance in verbal intelligence scores was found to increase with age in all SES groups. These findings highlight the importance of early intervention for children from low SES backgrounds. Keywords: socioeconomic status, verbal intelligence, gender differences, GAMLSS
| Item Type: | Thesis (Bachelor) |
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| Supervisor name: | Heister, H.M. |
| Degree programme: | Psychology |
| Differentiation route/Track: | None [Bachelor Psychology] |
| Date Deposited: | 10 Jul 2025 07:38 |
| Last Modified: | 10 Jul 2025 07:38 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/5432 |
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