Why g matters: The complexity of everyday life
TL;DR: In this paper, the authors provide evidence that intelligence has pervasive utility in work settings because it is essentially the ability to deal with cognitive complexity, in particular, with complex information processing, and the more complex a work task, the greater the advantages that higher g confers in performing it well.
About: This article is published in Intelligence.The article was published on 1997-01-01 and is currently open access. It has received 1300 citations till now. The article focuses on the topics: Everyday life & Cognitive complexity.
Summary (1 min read)
Jump to: [Why g Matters: The Complexity of Everyday Life] – [WHAT DOES “IMPORTANT” MEAN?] – [INFLUENCE OF INTELLIGENCE ON OVERALL LIFE OUTCOMES] and [THE FUTURE]
Why g Matters: The Complexity of Everyday Life
- This article provides evidence that g has pervasive utility in work settings because it is essentially the ability to deal with cognitive complexity, in particular, with complex information processing.
- Few claims in the social sciences are backed by such massive evidence but remain so hotly contested in public discourse.
- Besides demonstrating that g is important in practical affairs, I seek to demonstrate why intelligence has such surprisingly pervasive importance in the lives of individuals.
- I then use both the employment and literacy data to sketch a portrait of life’s challenges and opportunities at different levels of intelligence.
WHAT DOES “IMPORTANT” MEAN?
- The nature of the job and its context seem to determine whether g has any direct effect on task proficiency, net of job knowlege.
- As is well known in psychometrics (see also Gordon, 1997), the fact that an individual passes or fails any single test item says little about that person’s general intelligence level.
INFLUENCE OF INTELLIGENCE ON OVERALL LIFE OUTCOMES
- The effects of intelligence-like other psychological traits-are probabilistic, not deterministic.
- White adults in this range marry, work, and have children (Hermstein & Murray, 1994), but, as Table 10 shows, they are nonetheless at great risk of living in poverty (30%), bearing children out of wedlock (32%), and becoming chronic welfare dependents (31%).
- At this IQ level, fewer than half the high school graduates and none of the dropouts meet the military’s minimum AFQT enlistment standards.
- Most occupations are within reach cognitively, because these individuals learn complex material fairly easily and independently.
- Such as divorce, illness, and occasional unemployment, they rarely become trapped in poverty or social pathology.
THE FUTURE
- Complexity enriches social and cultural life, but it also risks leaving some individuals behind.
- Society has become more complex-and g loaded-as the authors have entered the information age and postindustrial economy.
- Accordingly, organizations are “flatter” (have fewer hierarchical levels), and increasing numbers of jobs require high-level cognitive and interpersonal skills (Camevale, 1991; Cascio, 1995; Hunt, 1995; Secretary’s Commission on Achieving Necessary Skills, 1991).
- There is evidence that increasing proportions of individuals with below-average IQs are having trouble adapting to their increasingly complex modern life (Granat & Granat, 1978) and that social inequality along IQ lines is increasing (Herrnstein & Murray, 1994).
- As the military experience also illustrates, however, what is good pedagogy for the low-aptitude learner may be inappropriate for the high-aptitude person.
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TL;DR: Almost one third of patients presenting to the ED with foot and ankle–related complaints have limited musculoskeletal literacy and may lack the necessary skills required for making informed decisions regarding their care, which has tremendous socioeconomic implications.
Abstract: Purpose. Approximately 33% of Americans have inadequate health literacy, which is associated with decreased medical knowledge, increased hospitalization and use of emergency care, and worse control of diseases. In this study, the Literacy in Musculoskeletal Problems (LiMP) questionnaire was used to evaluate the prevalence of limited musculoskeletal literacy in patients presenting to the emergency department (ED) with foot and ankle-related complaints, as these individuals may be at increased risk for inferior outcomes. Methods. In this cross-sectional study, individuals ≥18 years of age presenting with foot and ankle-related complaints to the ED were invited to participate. Participants completed a demographic survey and the LiMP questionnaire, with scores ≥6 indicative of adequate musculoskeletal literacy. The prevalence of adequate health literacy and the influence of demographic parameters was assessed. P values .05). However, Caucasians and those with higher levels of education (equal to or more than college) were significantly more likely to possess adequate literacy (P = .008, P = .04, respectively). Conclusions. Approximately one third of patients presenting to the ED with foot and ankle-related complaints have limited musculoskeletal literacy and may lack the necessary skills required for making informed decisions regarding their care. This is concerning and has tremendous socioeconomic implications, as more than 23 000 people per day require medical care for ankle sprains in the United States, with average treatment costs for this injury in the ED setting estimated at $1498. Identification of those most at risk is thus crucial and will facilitate the development of interventions geared toward those most vulnerable.
15 citations
TL;DR: In this article, the author likens the sixth sense to an experiential thinking style, which not only explains why police officers presumably have it, but also makes it possible to know whether they even have a sixth sense at all.
Abstract: Police officers are said to possess a “sixth sense,” defined in terms of suspicion, fear, intuition, and even common sense. Research and training on the sixth sense, however, lack theoretical guidance. To address this shortcoming, the author likens the sixth sense to an experiential thinking style, which not only explains why police officers presumably have it, but also makes it possible to know whether they even have a sixth sense at all.
15 citations
TL;DR: The psychometric factor structure of cognitive tests can help identify brain networks related to cognitive abilities beyond a general intelligence factor (g).
Abstract: Background: Individual differences in cognitive abilities provide information that is valuable for vocational guidance, but there is an ongoing debate about the role of ability factors, including general intelligence (g), compared to individual tests. Neuroimaging can help identify brain parameters that may account for individual differences in both factors and tests. Here we investigate how eight tests used in vocational guidance correlate to regional gray matter. We compare brain networks identified by using scores for ability factors (general and specific) to those identified by using individual tests to determine whether these relatively broad and narrow approaches yield similar results. Findings: Using MRI and voxel-based morphometry (VBM), we correlated gray matter with independent ability factors (general intelligence, speed of reasoning, numerical, spatial, memory) and individual test scores from a battery of cognitive tests completed by 40 individuals seeking vocational guidance. Patterns of gray matter correlations differed between group ability factors and individual tests. Moreover, tests within the same factor showed qualitatively different brain correlates to some degree. Conclusions: The psychometric factor structure of cognitive tests can help identify brain networks related to cognitive abilities beyond a general intelligence factor (g). Correlates of individual ability tests with gray matter, however, appear to have some differences from the correlates for group factors.
15 citations
Cites background from "Why g matters: The complexity of ev..."
...On the one hand, in large samples, g predicts job performance very well [2-4]; on the other hand, specific cognitive ability tests provide useful information for individuals, especially for job choice [5-7]....
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01 Jan 2014
TL;DR: In a sample of 212 nuclear power plant control room operators, it was found that both safety compliance and safety participation behaviors were positively influenced by dispositional mindfulness as measured by the 14-item Freiburg Mindfulness Inventory.
Abstract: Based on the dual process model of human cognition, this study investigated the influence of dispositional mindfulness on operators' safety behaviors and its boundary conditions. In a sample of 212 nuclear power plant control room operators, it was found that both safety compliance and safety participation behaviors were positively influenced by dispositional mindfulness as measured by the 14-item Freiburg Mindfulness Inventory. This effect was still positive after controlling for age, intelligence, work experience and conscientiousness. Moreover, two boundary conditions were identified: the impact of dispositional mindfulness of safety behaviors was stronger among operators who were either more experienced or more intelligent. Theoretically, the framework we used to understand the benefit of mindfulness on safety behaviors has been proved to be useful. Practically, it provides a new and valid criterion that could be used in operators' selection and training program to improve organizational safety.
15 citations
Cites background from "Why g matters: The complexity of ev..."
...bility to use system 2 (Gottfredson, 1997; Stanovich, 1999), it can e argued that an individual’s intelligence could be the moderaor of the mindfulness-performance relationship....
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TL;DR: The logical convergence of these two separate lines of research leads to the prediction that the human difficulty in dealing with evolutionarily-novel stimuli interacts with general intelli- gence, such that the Savanna Principle holds stronger among the less intelligent than among the more intelligent.
Abstract: Kanazawa (2004a) proposes that the human brain may have difficulty comprehending entities and situations that did not exist in the ancestral environment, and, as one empirical dem- onstration of this Savanna Principle, Kanazawa (2002) shows that people who watch certain types of TV shows are more satisfied with their friendships, suggesting that they may have difficulty distinguishing TV characters from real friends. In an entirely different line of research, Kanazawa (2004b) advances an evolutionary psychological theory of the evolution of general intelligence, which proposes that general intelligence evolved in order to handle evolutionarily-novel prob- lems. The logical convergence of these two separate lines of research leads to the prediction that the human difficulty in dealing with evolutionarily-novel stimuli interacts with general intelli- gence, such that the Savanna Principle holds stronger among the less intelligent than among the more intelligent. Further analyses of the U.S. General Social Survey demonstrate that less intelli- gent men and women may have greater difficulty separating TV characters from their real friends than more intelligent men and women.
15 citations
References
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