Aellen, M., Burkart, J. M., & Bshary, R. (2022). No evidence for general intelligence in a fish. Ethology, 128, 424–436.

Article  Google Scholar 

Beauducel, A. & Leue, A. (2013). Unit-weighted scales imply models that should be tested! Practical Assessment, Research, & Evaluation, 18, Article 1.

Beran, M. J., & Hopkins, W. D. (2018). Self-control in chimpanzees relates to general intelligence. Current Biology, 28, 574–579.

Article  PubMed  Google Scholar 

Burkart, J. M., Schubiger, M. N., & van Schaik, C. P. (2017). The evolution of general intelligence. Behavioral & Brain Sciences, 40, e192.

Google Scholar 

Carere, C., & Locurto, C. (2011). Interaction between animal personality and animal cognition. Current Zoology, 57, 491–498.

Article  Google Scholar 

Cohen, J., & Cohen, P. (1983). Applied multiple regression/correlation analysis for the behavioral sciences. Erlbaum.

Google Scholar 

Eid, M., Geiser, C., Koch, T., & Heene, M. (2017). Anomalous results in G-factor models: Explanations and alternatives. Psychological Methods, 22, 541–562.

Epstein, S. (1986). Does aggregation produce spuriously high estimates of behavior stability? Journal of Personality & Social Psychology, 50, 1199–1210.

Article  Google Scholar 

Fernandes, H. B. F. (2020). Evolutionary trajectories of cognitive abilities and of their putative neuroanatomical and allometric correlates: Testing novel hypotheses of cognitive evolution and cognitive integration with phylogenetic comparative methods (Unpublished doctoral dissertation) The University of Arizona, Tucson, AZ.

Galsworthy, M. J., Paya-Cano, J. L., Liu, L., Monleón, S., Gregoryan, G., Fernandes, C., & Plomin, R. (2005). Assessing reliability, heritability and general cognitive ability in a battery of cognitive tasks for laboratory mice. Behavior Genetics, 35, 675–692.

Article  PubMed  Google Scholar 

Garcia, R. (2017). I’d give my right kidney to be altruistic: The social biogeography of altruism in the United States of America (Unpublished doctoral dissertation). The University of Arizona, Tucson, AZ.

Geary, D. C. (2005). The origin of mind: Evolution of brain, cognition, and general intelligence. American Psychological Association.

Book  Google Scholar 

Gorsuch, R.L. (2015). Factor analysis: Classic edition. Routledge.

Hopkins, W. D., Russell, J. L., & Schaeffer, J. (2014). Chimpanzee intelligence is heritable. Current Biology, 24, 1649–1652.

Article  PubMed  Google Scholar 

Kolata, S., Light, K., & Matzel, L. D. (2008). Domain-specific and domain-general learning factors are expressed in genetically heterogeneous CD-1 mice. Intelligence, 36, 619–629.

Article  PubMed  PubMed Central  Google Scholar 

Kolata, S., Light, K., Grossman, H. C., Hale, G., & Matzel, L. D. (2007). Selective attention is a primary determinant of the relationship between working memory and general learning ability in outbred mice. Learning & Memory, 14, 22–28.

Article  Google Scholar 

Kumar, S., Stecher, G., Suleski, M., & Hedges, S. B. (2017). TimeTree: A resource for timelines, timetrees, and divergence times. Molecular Biology Evolution, 34, 1812–1819.

Article  PubMed  Google Scholar 

Matzel, L. D., Kolata, S., Light, K., & Sauce, B. (2017). The tendency for social submission predicts superior cognitive performance in previously isolated male mice. Behavioural Processes, 134, 12–21.

Article  PubMed  Google Scholar 

Poirier, A.-A., Kozlovsky, D. Y., Morand-Ferron, J., & Careau, V. (2020). How general is cognitive ability in nonhuman animals? A meta-analytical multi-level reanalysis approach. Proceedings of the Royal Society B: Biological Sciences, 287, 20201853.

Article  PubMed Central  Google Scholar 

Prentice, P., Mnatzaganian, C., Houslay, T. M., Thorton, A., & Wilson, A. J. (2022b). Individual differences in spatial learning are correlated across tasks but not with stress response behaviour in guppies. Animal Behaviour, 188, 133–146.

Article  Google Scholar 

Prentice, P. M., Thorton, A., & Wilson, A. J. (2022a). A multivariate view of cognitive performance reveals positive correlation in the Trinidadian guppy (Poecilia reticulata). bioRxiv. https://doi.org/10.1101/2021.11.04.467320.

Revell, L. J. (2012). phytools: An R package for phylogenetic comparative biology (and other things). Methods in Ecology & Evolution, 2, 217–223.

Article  Google Scholar 

Sauce, B., Wass, C., Smith, A., Kwan, S., & Matzel, L. D. (2014). The external–internal loop of interference: Two types of attention and their influence on the learning abilities of mice. Neurobiology of Learning & Memory, 116, 181–192.

Article  Google Scholar 

Schmidt, F. L. (1971). The relative efficiency of regression and simple unit predictor weights in applied differential psychology. Educational & Psychological Measurement, 31, 699–714.

Article  Google Scholar 

Schmidt, F. L., & Hunter, J. E. (2015). Methods of meta-analysis: Correcting error and bias in research findings (3rd ed.). Thousand Oaks.

Van Horik, J. O., Langley, E. J., Whiteside, M. A., & Madden, J. R. (2019). A single factor explanation for associative learning performance on colour discrimination problems in common pheasants (Phasianus colchicus). Intelligence, 74, 53–61.

Article  PubMed  PubMed Central  Google Scholar 

Van Horik, J. O., Langley, E. J., Whiteside, M. A., Laker, P. R., & Madden, J. R. (2018). Intra-individual variation in performance on novel variants of similar tasks influences single factor explanations of general cognitive processes. Royal Society Open Science, 5, 171919.

Article  PubMed  PubMed Central  Google Scholar 

Warne, R. T., & Burningham, C. (2019). Spearman’s g found in 31 non-Western nations: Strong evidence that g is a universal phenomenon. Psychological Bulletin, 145, 237–272.

Article  PubMed  Google Scholar 

Woodley of Menie, M.A., Fernandes, H.B.F., & Hopkins, W.D. (2015). The more g loaded, the more heritable, variable and evolvable: Homology with humans in chimpanzee cognitive abilities. Intelligence, 50, 159–163.