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Publications (10 of 153) Show all publications
Madison, G. (2019). Parental Effort vs. Mating Effort. In: T. Shackelford & V. Weekes-Shackelford (Eds.) (Ed.), Encyclopedia of evolutionary psychological science: . Springer
Open this publication in new window or tab >>Parental Effort vs. Mating Effort
2019 (English)In: Encyclopedia of evolutionary psychological science / [ed] T. Shackelford & V. Weekes-Shackelford (Eds.), Springer, 2019Chapter in book (Refereed)
Place, publisher, year, edition, pages
Springer, 2019
National Category
Psychology (excluding Applied Psychology)
Identifiers
urn:nbn:se:umu:diva-141416 (URN)978-3-319-19649-7 (ISBN)978-3-319-19650-3 (ISBN)
Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2018-06-09
Theorell, T., Madison, G. & Ullén, F. (2018). Associations betweenmusical aptitude, alexithymia, and working in a creative occupation.. Psychology of Aesthetics, Creativity, and the Arts, 1-9
Open this publication in new window or tab >>Associations betweenmusical aptitude, alexithymia, and working in a creative occupation.
2018 (English)In: Psychology of Aesthetics, Creativity, and the Arts, ISSN 1931-3896, E-ISSN 1931-390X, p. 1-9Article in journal (Refereed) Published
Abstract [en]

Musical aptitude and ability to handle emotions are hypothesized to be important predictors of creative work. The associations between musical aptitude, alexithymia, and having a creative occupation were assessed with linear multiple regression for men and women separately. Participants in the Swedish Twin Registry participated in an online survey, including musical tests for rhythm, pitch and melody discrimination, an IQ test and a test for alexithymia (inability to handle emotions). They also provided a job description, which was coded according to the ONET system. The level of creativity for each occupation was defined by the ONET mean rating of “thinking creatively.” Musicians (n 43) were excluded. For men (n 1,327), pitch predicted having creative work. This independent contribution was significant when controlling for age, education, and intelligence although the magnitude of the associ-ation decreased when the intelligence score was included. For women (n 1,908), alexithymia and rhythm predicted having creative work, controlling for age and education. With intelligence score, the independent contribution of rhythm score became nonsignificant while the contribution of alexithymia remained significant. For men, a high pitch score is associated with having creative work, regardless of education and general intelligence. For women ability to handle emotions is associated with creative work. Since subjects working professionally as musicians were excluded from the analyses the associ-ations are not confined to musical creativity but seem to have a more general nature, suggesting that musical aptitude taps into domain-general factors of importance for real life creative engagement.

Place, publisher, year, edition, pages
American Psychological Association (APA), 2018
Keywords
musical aptitude, creativity, alexithymia, cognitive ability, occupational matrix
National Category
Applied Psychology
Identifiers
urn:nbn:se:umu:diva-142887 (URN)10.1037/aca0000158 (DOI)
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2019-01-15Bibliographically approved
Woodley of Menie, M., Dutton, E., Figueredo, A.-J., Carl, N., Debes, F., Hertler, S., . . . Rindermann, H. (2018). Communicating intelligence research: media misrepresentation, the Gould Effect and unexpected forces [Letter to the editor]. Intelligence, 70, 80-87
Open this publication in new window or tab >>Communicating intelligence research: media misrepresentation, the Gould Effect and unexpected forces
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2018 (English)In: Intelligence, ISSN 0160-2896, E-ISSN 1873-7935, Vol. 70, p. 80-87Article in journal, Letter (Refereed) Published
Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
Gould Effect, London Conference on Intelligence
National Category
Psychology
Identifiers
urn:nbn:se:umu:diva-153677 (URN)10.1016/j.intell.2018.04.002 (DOI)000445511100011 ()
Available from: 2018-11-26 Created: 2018-11-26 Last updated: 2018-12-12Bibliographically approved
Madison, G. & Söderlund, T. (2018). Comparisons of content and scientific quality indicators across peer-reviewed journal articles with more or less gender perspective: gender studies can do better. Scientometrics, 115(3), 1161-1183
Open this publication in new window or tab >>Comparisons of content and scientific quality indicators across peer-reviewed journal articles with more or less gender perspective: gender studies can do better
2018 (English)In: Scientometrics, ISSN 0138-9130, E-ISSN 1588-2861, Vol. 115, no 3, p. 1161-1183Article in journal (Refereed) Published
Abstract [en]

The field of gender studies has faced criticism for poor scholarship and methodology, both from within and outside academia. Here, we compare indicators of scientific quality across three samples of peer-reviewed journal articles with more, less and no gender perspective, on the assumption that gender studies tend to apply a gender perspective. The statements in the articles were content-analysed with respect to subject matter, their level of support in surrounding text, and other indicators of scientific quality. The higher the level of gender perspective, the lower was the scientific quality for seven out of nine indicators. Support was higher for the no gender perspective group, but did not differ across the two higher levels. We suggest that the impact of the field can be increased by implementing established research methods employed in other disciplines, especially in terms of bringing about desired social and societal change.

Place, publisher, year, edition, pages
Springer, 2018
Keywords
Gender studies, Gender perspective, Scientific quality, Content analysis, Bias, Quantitative assessment, Scientific publication
National Category
Gender Studies
Identifiers
urn:nbn:se:umu:diva-150860 (URN)10.1007/s11192-018-2729-3 (DOI)000437262800002 ()2-s2.0-85045030285 (Scopus ID)
Available from: 2018-09-07 Created: 2018-09-07 Last updated: 2018-09-07Bibliographically approved
Konopacki, M. & Madison, G. (2018). EEG Responses to Shamanic Drumming: Does the Suggestion of Trance State Moderate the Strength of Frequency Components?. Journal of Sleep and Sleep Disorder Research, 1(2), 16-25
Open this publication in new window or tab >>EEG Responses to Shamanic Drumming: Does the Suggestion of Trance State Moderate the Strength of Frequency Components?
2018 (English)In: Journal of Sleep and Sleep Disorder Research, ISSN 2574-4518, Vol. 1, no 2, p. 16-25Article in journal (Refereed) Published
Abstract [en]

One of the techniques used to induce trance state in shamanic ceremonies is monotonous drumming. According to previous EEG research, certain patterns of drumming cause an increase in power of alpha and theta frequencies of the listener. Present study aimed to determine, if suggestion to experience trance state could increase the relative alpha and theta amplitude and the intensity of experienced state. A group of twenty-four subjects participated in the study. Suggestion to experience trance state decreased alpha frequency power during the drumming condition. No other significant effects of suggestion or drumming were found.

Keywords
EEG, trance state, shamanic drumming, music therapy
National Category
Neurosciences
Identifiers
urn:nbn:se:umu:diva-146852 (URN)10.14302/issn.2574-4518.jsdr-17-1794 (DOI)
Available from: 2018-04-19 Created: 2018-04-19 Last updated: 2018-06-13Bibliographically approved
Dutton, E. & Madison, G. (2018). Execution, violent punishment and selection for religiousness in medieval England. Evolutionary Psychological Science, 4(1), 83-89
Open this publication in new window or tab >>Execution, violent punishment and selection for religiousness in medieval England
2018 (English)In: Evolutionary Psychological Science, E-ISSN 2198-9885, Vol. 4, no 1, p. 83-89Article in journal (Refereed) Published
Abstract [en]

Frost and Harpending, Evolutionary Psychology, 13 (2015), have argued that the increasing use of capital punishment across the Middle Ages in Europe altered the genotype, helping to create a less violent and generally more law-abiding population. Developing this insight, we hypothesise that the same system of violent punishments would also have helped to genotypically create a more religious society by indirectly selecting for religiousness, through the execution of men who had not yet sired any offspring. We estimate the selection differential for religiousness based on genetic correlation data for conceivably related traits, and compare that to the actual increase in religiosity across the Middle Ages. We further explore other mechanisms by which religiousness was being selected for in Medieval England, and conclude that executions most likely contributed substantially to the increase in religiosity, but that other selection pressures also played a role.

Keywords
Religion, Selection, Execution, Medieval
National Category
Applied Psychology
Identifiers
urn:nbn:se:umu:diva-142891 (URN)10.1007/s40806-017-0115-7 (DOI)
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2018-06-09Bibliographically approved
Madison, G., Holmquist, J. & Vestin, M. (2018). Musical improvisation skill in a prospective partner is associated with mate value and preferences, consistent with sexual selection and parental investment theory: implications for the origin of music. Evolution and human behavior, 39(1), 120-129
Open this publication in new window or tab >>Musical improvisation skill in a prospective partner is associated with mate value and preferences, consistent with sexual selection and parental investment theory: implications for the origin of music
2018 (English)In: Evolution and human behavior, ISSN 1090-5138, E-ISSN 1879-0607, Vol. 39, no 1, p. 120-129Article in journal (Refereed) Published
Abstract [en]

Music is a human universal, which suggests a biological adaptation. Several evolutionary explanations have been proposed, covering the entire spectrum of natural, sexual, and group selection. Here we consider the hypothesis that musical behaviour constitutes a reliable or even costly signal of fitness, and thus may have evolved as a human trait through sexual selection. We experimentally tested how musical performance quality (MPQ), in improvisations on the drums, saxophone, and violin, affects mate values and mate preferences perceived by a prospective partner. Swedish student participants (27 of each sex) saw a face of a person of the opposite sex and heard a piece of improvised music being played. The music occurred in three levels of MPQ and the faces in three levels of facial attractiveness (FA). For each parametric combination of MPG and FA, the participants rated four mate value scales (intelligence, health, social status, and parenting skill) and four mate preference scales (date, intercourse, and short- and long term relationship). Consistent with sexual selection theory, mate value ratings were generally increased by MPQ for raters of both sexes. Consistent with more specific hypotheses that follow from combining sexual selection and parental investment theory, women’s but not men’s preference for a long-term, but not short-term, relationship was significantly increased by MPQ, MPQ generally affected women’s ratings more than men’s, FA generally affected men’s ratings more than women’s, and women’s ratings of intelligence were even more influenced by MPQ than by FA.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
music, evolution, sexual selection, costly signalling, parental investment theory, fitness display, mate value, mate preference, music performance, skill, mating, adaptation, selection pressure
National Category
Applied Psychology
Identifiers
urn:nbn:se:umu:diva-142890 (URN)10.1016/j.evolhumbehav.2017.10.005 (DOI)000419423600014 ()
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2018-06-09Bibliographically approved
van der Linden, D., Dutton, E. & Madison, G. (2018). National-Level Indicators of Androgens are Related to the Global Distribution of Scientific Productivity and Science Nobel Prizes. The Journal of creative behavior
Open this publication in new window or tab >>National-Level Indicators of Androgens are Related to the Global Distribution of Scientific Productivity and Science Nobel Prizes
2018 (English)In: The Journal of creative behavior, ISSN 0022-0175, E-ISSN 2162-6057Article in journal (Refereed) Epub ahead of print
Abstract [en]

There are national differences in scientific activity that are not well accounted for by economic and intellectual factors alone. We examine the novel hypothesis that androgen levels may also play a role. Androgens are often referred to as male hormones, but are present in both men and women, and have been linked to performance in other domains, such as sports and entrepreneurship. National‐level empirical data on scientific productivity, in terms of numbers of publications, and science Nobel laureates were compared to seven national‐level androgen indicators; namely androgenic body hair, the length of the CAG repeat on the androgen receptor gene, prostate cancer incidence, male and female 2D:4D finger ratio, and sex frequency and number of partners. The majority of these indicators were associated in the expected direction with per capita number of scientific publications and Nobel prizes. Moreover, several indicators significantly interacted with national‐level estimates of intelligence, such that androgen levels are related to measures of the scientific achievement only when the level of intelligence is relatively high. These findings may partly explain the global distribution of scientific productivity, achievements, and Nobel prizes.

Place, publisher, year, edition, pages
Wiley Online Library, 2018
Keywords
androgens, scientific activity, scientific productivity, Nobel prize, creativity intelligence, intelligence quotient
National Category
Psychology (excluding Applied Psychology)
Identifiers
urn:nbn:se:umu:diva-154145 (URN)10.1002/jocb.351 (DOI)
Available from: 2018-12-12 Created: 2018-12-12 Last updated: 2018-12-14Bibliographically approved
Wallert, J., Gustafson, E., Held, C., Madison, G., Norlund, F., von Essen, L. & Olsson, E. M. (2018). Predicting adherence to Internet-delivered psychotherapy for symptoms of depression and anxiety after myocardial infarction: machine learning insights from the U-CARE heart randomized controlled trial. Journal of Medical Internet Research, 20(10), Article ID e10754.
Open this publication in new window or tab >>Predicting adherence to Internet-delivered psychotherapy for symptoms of depression and anxiety after myocardial infarction: machine learning insights from the U-CARE heart randomized controlled trial
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2018 (English)In: Journal of Medical Internet Research, ISSN 1438-8871, E-ISSN 1438-8871, Vol. 20, no 10, article id e10754Article in journal (Refereed) Published
Abstract [en]

Background: Low adherence to recommended treatments is a multifactorial problem for patients in rehabilitation after myocardial infarction (MI). In a nationwide trial of internet-delivered cognitive behavior therapy (iCBT) for the high-risk subgroup of patients with MI also reporting symptoms of anxiety, depression, or both (MI-ANXDEP), adherence was low. Since low adherence to psychotherapy leads to a waste of therapeutic resources and risky treatment abortion in MI-ANXDEP patients, identifying early predictors for adherence is potentially valuable for effective targeted care. Objectives: The goal of the research was to use supervised machine learning to investigate both established and novel predictors for iCBT adherence in MI-ANXDEP patients. Methods: Data were from 90 MI-ANXDEP patients recruited from 25 hospitals in Sweden and randomized to treatment in the iCBT trial Uppsala University Psychosocial Care Programme (U-CARE) Heart study. Time point of prediction was at completion of the first homework assignment. Adherence was defined as having completed more than 2 homework assignments within the 14-week treatment period. A supervised machine learning procedure was applied to identify the most potent predictors for adherence available at the first treatment session from a range of demographic, clinical, psychometric, and linguistic predictors. The internal binary classifier was a random forest model within a 3x10-fold cross-validated recursive feature elimination (RFE) resampling which selected the final predictor subset that best differentiated adherers versus nonadherers. Results: Patient mean age was 58.4 years (SD 9.4), 62% (56/90) were men, and 48% (43/90) were adherent. Out of the 34 potential predictors for adherence, RFE selected an optimal subset of 56% (19/34; Accuracy 0.64, 95% CI 0.61-0.68, P<.001). The strongest predictors for adherence were, in order of importance, (1) self-assessed cardiac-related fear, (2) sex, and (3) the number of words the patient used to answer the first homework assignment. Conclusions: For developing and testing effective iCBT interventions, investigating factors that predict adherence is important. Adherence to iCBT for MI-ANXDEP patients in the U-CARE Heart trial was best predicted by cardiac-related fear and sex, consistent with previous research, but also by novel linguistic predictors from written patient behavior which conceivably indicate verbal ability or therapeutic alliance. Future research should investigate potential causal mechanisms and seek to determine what underlying constructs the linguistic predictors tap into. Whether these findings replicate for other interventions outside of Sweden, in larger samples, and for patients with other conditions who are offered iCBT should also be investigated.

Place, publisher, year, edition, pages
JMIR Publications, 2018
Keywords
applied predictive modeling, cardiac rehabilitation, linguistics, supervised machine learning, recursive feature elimination, treatment adherence and compliance, Web-based interventions
National Category
Applied Psychology
Identifiers
urn:nbn:se:umu:diva-152879 (URN)10.2196/10754 (DOI)000446936700001 ()30305255 (PubMedID)
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2014-4947
Available from: 2018-10-31 Created: 2018-10-31 Last updated: 2018-10-31Bibliographically approved
Dutton, E., Bakhiet, S. F., Madison, G., Essa, Y. A. & Rajeh, M. Y. (2018). Sex differences on Raven's Standard Progressive Matrices within Saudi Arabia and across the Arab world: females' advantage decreases from childhood to adolescence. Personality and Individual Differences, 134, 66-70
Open this publication in new window or tab >>Sex differences on Raven's Standard Progressive Matrices within Saudi Arabia and across the Arab world: females' advantage decreases from childhood to adolescence
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2018 (English)In: Personality and Individual Differences, ISSN 0191-8869, E-ISSN 1873-3549, Vol. 134, p. 66-70Article in journal (Refereed) Published
Abstract [en]

Sex differences in intelligence are of great importance with regard to understanding intelligence's underlying evolutionary forces. Previous research in this area has had a strong focus on Western countries and data across developmental stages are fragmented. Here, we present new data on Raven's Standard Progressive Matrices from three samples in Saudi Arabia, and combine these with nine previously published studies from other Arab countries, which also provide data for each year of age. We specifically consider Lynn's developmental theory of sex differences in intelligence, whereby a female advantage becomes pronounced due to earlier average puberty and then decreases as males enter puberty. The estimates for each age do not differ significantly from zero, and very few from each other, apparently due to large heterogeneity across studies. Nevertheless, the age trend is largely consistent with Lynn's model. Moreover, its specific predictions are seemingly borne out in many individual countries. Plausible explanations for incongruities in Sudan, Libya, Yemen and Saudi Arabia are also examined.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
Intelligence, Arab: Raven's Progressive Matrices, Sex differences
National Category
Psychology (excluding Applied Psychology)
Identifiers
urn:nbn:se:umu:diva-152191 (URN)10.1016/j.paid.2018.05.048 (DOI)000442058800011 ()
Available from: 2018-11-06 Created: 2018-11-06 Last updated: 2018-11-06Bibliographically approved
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Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-5366-1169

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