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- Title
The predictors of general knowledge: Data from a Spanish megastudy.
- Authors
Buades-Sitjar, Francisco; Boada, Roger; Guasch, Marc; Ferré, Pilar; Hinojosa, José Antonio; Duñabeitia, Jon Andoni
- Abstract
Studies on sociodemographic data and crystallized intelligence have often struggled to recruit enough participants to achieve sufficient validity. However, the advent of the internet now allows this problem to be solved through the creation of megastudies. Yet, this methodology so far has only been used in studies on vocabulary size, while general knowledge, another key component of crystallized intelligence, remains unexamined. In the present study, regression models were used to examine the impact of sociodemographic variables—gender, age, years of study and socioeconomic status—on general knowledge scores. The sample comprised 48,234 participants, each of whom answered 60 general knowledge questions, their data being fully available online. Men were found to score higher than women in general knowledge. Years of study and socioeconomic status acted as strong and weak positive predictors, respectively. Age acted as a strong positive predictor until the age of 50, where it became progressively detrimental. These results are discussed relative to other studies on crystallized intelligence, highlighting the need to study each of its components individually.
- Subjects
CRYSTALLIZED intelligence; SOCIOECONOMIC status; REGRESSION analysis; PROBLEM solving
- Publication
Behavior Research Methods, 2022, Vol 54, Issue 2, p898
- ISSN
1554-351X
- Publication type
Article
- DOI
10.3758/s13428-021-01669-4