Creative abilities in identical and fraternal twins

Reznikoff, Marvin; Domino, George; Bridges, Carolyn; Honeyman, Merton S.

doi:10.1007/bf01070219

Cited by 37 publications

(12 citation statements)

References 10 publications

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“…Reznikoff, Domino, Bridges, and Honeyman (1973) found genetic effects on word association, but not on associational fluency in teenage twins. An Italian study of adolescent twins showed genetic effects on adaptive flexibility and esthetic judgment, but not on ideational or expressional fluency, findings replicated with an American sample (Barron, 1972).…”

Section: Introductionmentioning

confidence: 79%

Genetic and environmental influences on applied creativity: A reared-apart twin study

Velázquez

Segal

Horwitz

2015

Personality and Individual Differences

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Applied creativity involves bringing innovation to real-life activities. The first reared-apart twin study assessing genetic and environmental origins of applied creativity, via Draw-a-House (DAH) and Draw-a-Person (DAP) tasks, is presented. Participants included 69 MZA and 53 DZA twin pairs from the Minnesota Study of Twins Reared Apart. Drawings were evaluated by four artists and four non-artists. Genetic effects were demonstrated for the DAP (.38–.47), but not for the DAH. Creative personality showed genetic effects (.50), and modest, but significant correlations with scores on the two drawings (rs = .17–.26). Both genetic and nonshared environmental influences underlie variance in applied creativity. Individuals concerned with enhancing creativity among students and others may better understand individual differences in performance and training.

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Section: Introductionmentioning

confidence: 79%

Genetic and environmental influences on applied creativity: A reared-apart twin study

Velázquez

Segal

Horwitz

2015

Personality and Individual Differences

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“…One twin study in adolescents (13–19 years) examined 11 creative ability measures (e.g. recognizing obscure figures or create story plot titles) and observed only three scales with significant MZ-DZ differences (Reznikoff et al 1973). A Russian twin study estimated a heritability of 0.44 in creative thinking (Grigorenko et al 1992).…”

Section: Introductionmentioning

confidence: 99%

Heritability of Working in a Creative Profession

2016

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Creativity is the tendency to generate or recognize ideas, alternatives, or possibilities. Following a study on the genetic contribution to working in a creative profession, based on polygenic score analysis, we report the total heritability of this trait in a large sample of adult twins and their siblings registered with the Netherlands Twin Register. Data from 6755 twins and 1817 siblings were analyzed using genetic structural equation modeling. Working in a creative profession is relatively rare in our sample (2.6% of twins and 3.2% of siblings). Twin correlations (identical 0.68 and fraternal 0.40) commended a model with additive genetic factors (full model estimate 0.56), shared (full model estimate 0.12), and unique environmental factors (full model estimate 0.32). Genetic model fitting resulted in a best-fitting model existing of additive genetic factors and unique environmental factors, resulting in a heritability of 0.70.

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“…However research on twins suggests that while genetics is part of the answer, it may not be the entire answer. Research examining the heritability-indices of various DT tasks found none of the tests showed a significant difference in variance between monozygotic and dizygotic twins (Pezzullo, Thorsen, & Madaus, 1972;Reznikof, Domino, Bridges, & Honeyman, 1973;Vandenberg, 1968). Thus while modern genetic research reveals there are genetic factors at play, each gene may only account for a very small portion of variance, suggesting non-genetic factors are also important.…”

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confidence: 99%

Individual differences and age-related changes in divergent thinking in toddlers and preschoolers.

Berg¹,

Hoicka²

2014

Developmental Psychology

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Divergent thinking shows the ability to search for new ideas, which is an important factor contributing to innovation and problem solving. Current divergent thinking tests allow researchers to study children’s divergent thinking from the age of 3 years on. This article presents the first measure of divergent thinking that can be used with children as young as 2 years. The Unusual Box test is a nonverbal and nonimitative test in which children play individually with a novel toy and novel objects. Divergent thinking is scored as the number of different actions performed. Study 1 shows that the Unusual Box test is a valid measure of divergent thinking as it correlates with standard measures of divergent thinking in 3- and 4-year-olds. Study 2 indicates that the test can be used with 2-year-olds, as it shows high test–retest reliability, demonstrating that 2-year-olds can think divergently. Across both studies, individual differences and age-related changes were found, indicating that some children are better at divergent thinking than others and that children’s divergent thinking increases with age. This test will allow researchers to gain insight into the early emergence of divergent thinking.

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Creative abilities in identical and fraternal twins

Cited by 37 publications

References 10 publications

Genetic and environmental influences on applied creativity: A reared-apart twin study

Genetic and environmental influences on applied creativity: A reared-apart twin study

Heritability of Working in a Creative Profession

Individual differences and age-related changes in divergent thinking in toddlers and preschoolers.

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