Heiner Rindermann's research while affiliated with Technische Universität Chemnitz and other places

Publications (126)

Article
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Background: Some of the physical health complaints that adolescents have, such as headaches and stomachaches, cannot be explained on a somatic level. It is unclear which psychological factors can explain the development of these complaints: stress and social support are often discussed, but emotions rarely are. Aims: This cross- sectional study aim...
Article
Tilt represents an ability pattern and is based on differences in two dimensions (e.g., math and reading), yielding strength in one dimension (math) and weakness in the other (reading). Whereas prior research examined tilt relations with economic productivity at the individual or country levels, the current study is the first to examine the stabili...
Article
Zusammenfassung. Hintergrund: In zwei Studien werden die Zusammenhänge zwischen dem Bildschirmkonsum bei Kindern und Jugendlichen und deren kognitiven Kompetenzen für den deutschsprachigen Raum untersucht. Begründet wird der Zusammenhang (u.a.) dadurch, dass der Bildschirmkonsum dem Konzentrationsvermögen schadet und lernförderliche Freizeitaktivit...
Article
Zusammenfassung. Die vorliegende Studie prüft, inwieweit Klauersche Trainings zur Förderung des (induktiven) Denkens und ihre Wirkung auf kognitive Fähigkeiten mit Need for Cognition (NFC; die Motivation und Freude, kognitive Anstrengungen zu erbringen) zusammenhängen. Es wurde bei 145 (121 final) Vorschul- und Erstklassenkindern (Alter 6 bis 7 Jah...
Article
Research on cognitive ability is done in different paradigms. In the Piagetian paradigm, cognitive ability focuses on cognitive development along qualitative stages. Interactive real scenarios, “Piagetian tasks”, are constructed for measurement. According to age, tasks differing in complexity are applied in individual measurements. In the psychomet...
Article
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The “erasing race” effect is the reduction of the salience of “race” as an alliance cue when recalling coalition membership, once more accurate information about coalition structure is presented. We conducted a random-effects model meta-analysis of this effect using five United States studies (containing nine independent effect sizes). The effect w...
Article
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Intelligence requires sufficient working-memory capacity. Traditionally, working memory was seen as a process and as a prerequisite for fluid intelligence. Working memory was assumed to be determined by maturation and health. There is a gap in the literature: It is still not fully understood to which extent and how working memory can be influenced....
Article
The Good Country Index ( GCI ) measures countries’ contributions to global prosperity in domains such as peace, climate and health. It is known that political institutions and wealth can enhance a country’s ability to be ‘good’. However, past research has shown that the cognitive ability of a society – and of its intellectual classes in particular...
Article
Experts (Nmax = 102 answering) on intelligence completed a survey about IQ research, controversies, and the media. The survey was conducted in 2013 and 2014 using the Internet-based Expert Questionnaire on Cognitive Ability (EQCA). In the current study, we examined the background of the experts (e.g., nationality, gender, religion, and political or...
Article
Die vorliegende Untersuchung hatte das Ziel, den derzeitigen Stand der Gestaltung von Vorlesungen aus fachkultureller Sicht mittels einer großen Stichprobe von Dozierenden in Deutschland (N = 983) zu beschreiben. Untersucht wurde, wie Lehrmethoden eingesetzt werden und wie dies mit Lehransätzen (Trigwell, Prosser & Ginns, 2005) und Fachkultur (Hube...
Article
Using newly available polygenic scores for educational attainment and cognitive ability, this paper investigates the possible presence and causes of a negative association between IQ and fertility in the Wisconsin Longitudinal Study sample, an issue that Retherford and Sewell first addressed 30 years ago. The effect of the polygenic score on the sa...
Conference Paper
Intelligence requires sufficient working memory capacity. Traditionally working memory was seen as a process and as part of fluid intelligence assumed to be determined by maturation and health. Recent research dealing with trainability of working memory yielded inconsistent results. In our study, we compared 249 children (6-16 years) with and witho...
Article
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Studierende besuchen Vorlesungen immer seltener. Dabei wirkt sich Absentismus negativ auf die studentischen Prüfungsleistungen aus. Der Frage nach den Gründen und möglichen Einflussfaktoren soll nun in einer repräsentativen und fächerübergreifenden Studie nachgegangen werden. Dazu wurden Daten mittels eines Fragebogens von insgesamt N = 1841 Studie...
Article
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The OpenPsych journals were set up in 2014 by Emil Kirkegaard and Davide Piffer due to dissatisfaction with existing journals in differential psychology and behavioural genetics. To date, 51 papers have been published in total, encompassing a range of topics from differential psychology and behavioural genetics to socio-political science. However,...
Article
In 19 (sub)samples from seven countries (United States, Austria, Germany, Costa Rica, Ecuador, Vietnam, Brazil), we analyzed the impact of parental education compared with wealth on the cognitive ability of children (aged 4–22 years, total N = 15,297). The background of their families ranged from poor indigenous remote villagers to academic familie...
Article
According to the cognitive human capital theory, cognitive ability furthers at the individual, institutional and societal level productivity, production, income and wealth. Cross-sectional and longitudinal studies using various indicators (psychometric IQs, student assessment tests, education vs. GDP per capita, growth), different methods (correlat...
Article
Gächter and Schulz (2016) assumed an effect of institutional rule violation on individual honesty within societies. In this reply we challenge this approach by including a nation's cognitive ability as a further factor for cross-national variations in the prevalence of rule violations and intrinsic honesty. Theoretical considerations, correlational...
Article
Countries differ with respect to human rights. Using the cross-country CIRI data (Cingranelli & Richards), the authors tested two theories. The cognitive-moral enlightenment theory going back to Piaget and Socrates postulates that individuals and nations with higher levels of cognitive ability think and behave in a way more conducive to human right...
Article
Cognitive capitalism theory argues that the positive effects of cognitive ability on economic productivity should increase nonlinearly with increases in ability amplifying increases in productivity. The theory was tested using country-level indicators of cognitive ability an productivity. Cognitive ability was based on international student assessm...
Poster
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Cognitive capitalism theory argues that the positive effects of cognitive ability on economic productivity should increase nonlinearly, with increases in ability amplifying increases in productivity. The theory was tested using country level indicators of cognitive ability and productivity. Cognitive ability was based on international student asses...
Article
Zusammenfassung. Zur Darstellung der Quantitat und Qualitat von Forschungsleistungen haben sich bibliometrische Indikatoren als nutzlich erwiesen. Da diese aber vom akademischen Alter und der Fachrichtung abhangig sind, wird die Entwicklung von Normwerten auf der Grundlage einer reprasentativen Vergleichsstichprobe empfohlen. Zur Berechnung einer N...
Article
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There are many factors that go into high educational and occupational achievement, including hard work, motivation, and luck. But how important is talent? Specifically, how likely were global innovators and leaders intellectually talented or gifted when younger? This paper reviews retrospective data on multiple US samples (Total N = 11,745), includ...
Article
Experts on intelligence, cognitive ability and student achievement were surveyed for their opinions on the causes of the 20th century rise in intelligence test results called the “FLynn effect”, on the causes of a possible end of the FLynn effect and on the future development of IQ in different world regions. Ratings from N = 75 experts attributed...
Article
In three rural Ecuadorian schools from" different regions (central highlands in the Andes, hinterland of Quito, and Amazonian lowlands) N = 161 pupils aged 9-14 with about 86% Amerindian background were tested for cognitive ability. Fluid intelligence was measured using culture-reduced Raven's SPM, while crystallized intelligence was measured using...
Article
In 34 kindergartens (N = 355 children) in Saxony and Bavaria, the educational quality and associations with family characteristics were investigated, including progressive (Montessori & Waldorf) and traditional kindergartens as well as private, semi-public and public kindergartens. Progressive kindergartens cared for considerably larger groups of c...
Article
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We add results from studies in Germany and Brazil supporting Lynn's theory on cognitive sex differences and their development. We show that there are associations between hormonal transitions during adolescence, especially in women, and increasing sex differences in cognitive abilities, particularly spatial ability, during adolescence. We suggest t...
Article
In 34 kindergartens (N = 355 children) in Saxony and Bavaria, Germany, the educational quality and associations with family characteristics were investigated, including progressive (Montessori and Waldorf) and traditional kindergartens as well as private, semi-public, and public kindergartens. Progressive kindergartens cared for considerably larger...
Article
In 34 sachsischen und bayerischen Kindergarten (N = 355 Kinder) wurden bei reformpadagogischen (Montessori, Waldorf) und nicht-reformpadagogischen sowie privaten und (halb-)offentlichen Kindergarten Zusammenhange zwischen der padagogischen Qualitat sowie den familialen Merkmalen untersucht. Reformpadagogische Kindergarten wiesen deutlich grosere Ki...
Article
Country-level total fertility rates (TFR) and cognitive ability are negatively correlated, suggesting the existence of a selection pressure that might be reducing global G. Also, the cross-population frequencies of several SNPs have been found to predict cognitive ability between countries. This study applies a cross-cultural sociogenetic approach...
Article
Cognitive ability stimulates economic productivity. However, the effects of cognitive ability may be stronger in free and open economies, where competition rewards merit and achievement. To test this hypothesis, ability levels of intellectual classes (top 5%) and average classes (country averages) were estimated using international student assessme...
Chapter
Der Beitrag befasst sich mit Lehrqualität in Form von Lehrveranstaltungen und ihrer Evaluation. Lehrqualität umfasst die drei Bedingungsfaktoren Dozentenhandeln, Studentenhandeln und Rahmenbedingungen, die zusammen Lehrerfolg hervorrufen. Lehrqualität kann nicht perfekt, aber weitgehend objektiv, messgenau und gültig durch Studierende bewertet werd...
Presentation
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Presentation about genetic distances, geography, cross-national differences in IQ, and evolution of human intelligence.
Article
Creativity is negatively associated with certain personality traits (e.g., conformity) and social influences (e.g., group pressure). In this study, creativity was examined in relation to unconventionality, which was expected to correlate positively with creativity, especially originality. This hypothesis was based on the theory that unconventional...
Article
The study analyzes whether genetic differences (“genetic distances”) help to explain cross-national IQ differences being controlled for environmental factors. Genetic distances are an indicator of evolutionary history and of difference or similarity between populations. Controlled for environmental determinants the relationship between genetic dist...
Article
There is a persistent discussion on the overlap between emotional intelligence and personality. This article focuses on relations between the Big Five and emotional competence (EC; comprising the perceived abilities to recognize own and others' emotions, regulate own emotions, and express emotions). In a sample of 92 apprentices and working persons...
Article
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Following Snyderman and Rothman (1987, 1988), we surveyed expert opinions on the current state of intelligence research. This report examines expert opinions on causes of international differences in student assessment and psychometric IQ test results. Experts were surveyed about the importance of culture, genes, education (quantity and quality), w...
Article
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The path to becoming a CEO (and performance on the job) can be viewed as a difficult cognitive challenge. One way to examine this idea is to see how highly selected CEOs are in terms of education and cognitive ability. The extent to which Fortune 500 CEOs were selected on education and cognitive ability at an earlier age was retrospectively assesse...
Article
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The US National Assessment of Educational Progress (NAEP) measures cognitive competences in reading and mathematics of US students (last 2012 survey N = 50,000). The long-term development based on results from 1971 to 2012 allows a prediction of future cognitive trends. For predicting US averages also demographic trends have to be considered. The l...
Article
Good governance or “government effectiveness” (per the World Bank) is seen as a critical factor for the wealth of nations insofar as it shapes political and economic institutions and affects overall economic performance. The quality of governance, in turn, depends on the attributes of the people involved. In an analysis based on international data,...
Article
Scholastic tests regard cognitive abilities to be domain-specific competences. However, high correlations between competences indicate either high task similarity or a dependence on common factors. The present rating study examined the validity of 12 Programme for International Student Assessment (PISA) and Third or Trends in International Mathemat...
Article
In their seminal study “Meaningful differences in the everyday experience of young American children”, Hart and Risley (1995) showed a close relationship between differences in family environment and children's development. The conventional conclusion was that children's cognitive development (measured by psychometric intelligence and verbal abilit...
Conference Paper
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Twin studies have shown a strong genetic factor for individual differences in intelligence. Causes of international differences are still unknown; behavioral genetic designs analyzing the impact of genetic and environmental factors cannot be applied. In this study, we analyze cross-national associations between geographic and genetic distances and...
Article
Summary Immigration, immigration policies and education of immigrants alter competence levels. This study analysed their effects using PISA, TIMSS and PIRLS data (1995 to 2012, N=93 nations) for natives' and immigrants' competences, competence gaps and their population proportions. The mean gap is equivalent to 4.71 IQ points. There are large diffe...
Article
Based on a Piagetian cognitive epistemology approach, this study investigated cognitive ability levels and their relation to thinking patterns in Nigeria and Germany (N-Ni = 29-47 and N-Ge = 52-70). 12 selected items of the Raven's Advanced Progressive Matrices test (APM) and a self-designed questionnaire measuring epistemic rationality (e.g. deali...
Article
Despite the fact that the recently evolved Microcephalin and the related Abnormal Spindle-like Microcaphaly Associated (ASPM) alleles do not appear to be associated with IQ at the individual differences level, the frequencies of Microcephalin have been found to correlate strongly with IQ at the cross-country level. In this study, the association be...
Article
Summary Cognitive abilities of children in Costa Rica and Austria were compared using three age groups (N=385/366). Cognitive ability tests (mental speed, culture reduced/fluid intelligence, literacy/crystallized intelligence) were applied that differed in the extent to which they refer to school-related knowledge. Preschool children (kindergarten,...
Article
The inductive reasoning trainings by K. J. Klauer are characterized as a German cognitive apprenticeship approach for all age groups. The effects of program I were compared across two field studies with special-needs students. The paper-pencil-based training version (N1 = 34 students; M = 8;9 years) resulted in no improvement of the students cognit...
Conference Paper
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This poster examines expert opinions on the causes of international differences (IntD) in cognitive ability and intelligence using responses from a larger survey (overview of the 2013 Survey of Expert Opinion on Intelligence presented in Rindermann et al. at ISIR 2013). The survey of expert opinions consisted of 62 main questions with follow-up qu...
Article
US National Assessment of Educational Progress (NAEP) results from 1971 to 2008 enable four different effects to be distinguished: Cohort rise effects, gap-narrowing between ethnic groups, trends due to demographic changes in by NAEP listed or not listed ethnic groups. NAEP means and percentiles in reading and mathematics were transformed to conven...
Article
In a sample of N = 105 fifth graders from Vietnam and Germany, cognitive abilities (CogAT-Nonverbal, i.e. fluid figural, CogAT-Quantitative, i.e. crystallized mathematics), family attributes, parenting styles, leisure time activities, and attributes of school and instruction were compared. In spite of large cultural and economic differences, the ge...
Article
This research examined Spearman’s Law of Diminishing Returns (SLODR) using national ability as the unit of analysis. National ability was estimated using international standardized tests such as the Programme for International Student Assessment (PISA), Trends in International Mathematics and Science Study (TIMSS), and Progress in International Rea...
Article
In the past different researchers have come to diverging cognitive ability estimates for people in Africa and of African descent. The paper tries to check the validity of past results by comparing them with outcomes of two new psychometric test studies from East and South Africa; with results from student assessment studies; with predictions based...
Article
Summary According to human capital theory, individual competences and personality attributes are relevant for individual productivity and income. Within human capital, intelligence is crucial. To study engineering and work successfully as an engineer, high cognitive abilities are necessary, especially for work in research and development. In a stud...
Article
Sex differences on the Attention Test (AC), the Raven's Standard Progressive Matrices (SPM), and the Brazilian Cognitive Battery (BPR5), were investigated using four large samples (total N = 6780), residing in the states of Minas Gerais and Sao Paulo. The majority of samples used, which were obtained from educational settings, could be considered a...
Article
Early childhood education is intended to further cognitive and general development. Studies on the impact of regular crèche (preschool for children under age 3) attendance outside the U.S. are rare. Two complementary studies conducted in Austria are presented: In Study 1, 62 kindergarten children (aged 4–6 years) who previously attended crèche were...
Article
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Peer review is a widely accepted instrument for raising the quality of science. Peer review limits the enormous unstructured influx of information and the sheer amount of dubious data, which in its absence would plunge science into chaos. In particular, peer review offers the benefit of eliminating papers that suffer from poor craftsmanship or meth...
Article
A high-quality estimate of the mean IQ of a country requires giving a well-validated test to a nationally representative sample, which usually is not feasible in developing countries. So, we used a convenience sample and four corrections based on theory and empirical findings to arrive at a good-quality estimate of the mean IQ in Bali. Our study us...
Article
Cognitive ability theory claims that peoples’ competences are decisive for economic wealth. For a large number of countries Lynn and Vanhanen (2002) have published data on mean intelligence levels and compared them to wealth and productivity indicators. The correlation between intelligence and wealth was supported by studies done by different autho...
Article
The relationship of religiosity with education and intelligence was investigated with data from the World Values Survey covering a total of 345,743 respondents in 96 countries. The individual-level relationship of education with religious belief was slightly but significantly negative in the majority of countries, although its relationship with rel...
Article
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The relationship of religiosity with education and intelligence was investigated with data from the World Values Survey covering a total of 345,743 respondents in 96 countries. The individual-level relationship of education with religious belief was slightly but significantly negative in the majority of countries, although its relationship with rel...
Article
The social sciences have traditionally assumed that education is a major determinant of citizens' political orientations and behavior. Several studies have also shown that intelligence has an impact. According to a theory that conceptualizes intelligence as a burgher (middle-class, civil) phenomenon — intelligence should promote civil attitudes, ha...
Article
Full-text available
The relationship of religiosity with education and intelligence was investigated with data from the World Values Survey covering a total of 345,743 respondents in 96 countries. The individual-level relationship of education with religious belief was slightly but significantly negative in the majority of countries, although its relationship with rel...
Article
In einer Feldstudie in zwolf osterreichischen Kindergarten wurde untersucht, ob es einen Zusammenhang zwischen dem elterlichen Bildungsniveau und der Kindergartenwahl (Montessori vs. Traditionell) gibt, ob qualitative Unterschiede (Kindergarten-Skala nach Tietze et al., 2007) zwischen Montessorikindergarten und traditionellen Kindergarten beobachtb...
Article
Counseling instructors using evaluations made by their students has shown to be a fruitful approach to enhancing teaching quality. However, prior experimental studies are questionable in terms of external validity. Therefore, we conducted a non-experimental intervention study in which all of the courses offered by a specific department at a German...
Article
Verbal ability comprises receptive (understanding) and active (producing) facets. While the first (e.g. as literacy in PIRLS and PISA) is frequently analyzed in its relationship to further cognitive abilities and parental attributes the latter is rarely investigated. The present study using data from N=280 students aged 9 to 14years investigated th...
Article
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Traditional economic theories stress the relevance of political, institutional, geographic, and historical factors for economic growth. In contrast, human-capital theories suggest that peoples' competences, mediated by technological progress, are the deciding factor in a nation's wealth. Using three large-scale assessments, we calculated cognitive-...
Presentation
Full-text available
Impact of Pre-K Education on Children’s Intelligence and Behavior
Article
Four different studies in German speaking countries analysed the age increase of intelligence. First norm tables of intelligence tests with same items for children in different ages were used. Second in two cross-sectional and one longitudinal study using the KFT (German version of the Cognitive Abilities Test, CogAT) intelligence differences betwe...
Chapter
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Intelligenz als "heißes Eisen" und gesellschaftlich bedeutsames Thema (S. 77-80) - These: Intelligenz ist wichtig für Wohlstand und Wachstum (S. 80-83) - These: Intelligenz ist das Ergebnis von Erb- und Umwelteinflüssen (s. 83-86) - These: Intelligenz kovariiert in modernen Gesellschaften mit sozialer Schichtung (S. 86-88) - Thesen zur Bildung und...
Article
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Dies ist ein Artikel aus "Frankfurter Allgemeine Zeitung" (F.A.Z.) vom 7-09.2010, S. 29, S. 31. Heiner Rindermann und Detlef Rost sind zwei Psychologen und Begabungsforscher, deren Arbeiten zu wichtigen Quellen von Thilo Sarrazin in Fragen der Intelligenz von Menschen und Ethnien wurden. Sie schreiben hier, was an Sarrazins Thesen ihrer Meinung na...