Browsing by Thesis Advisor "Geary, David C."
Now showing items 1-12 of 12
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Does early androgen exposure moderate developmental plasticity?
(University of Missouri--Columbia, 2020)Little is known about what mechanisms allow some individuals more than others to flexibly develop cognitive competencies and behavioral biases while growing up to better meet the demands of their ecology, a phenomenon known ... -
If you've got it, flaunt it : humans flaunt attractive partners for status and desirability
(University of Missouri--Columbia, 2012)Mate choices that are influenced by the mating decisions of peers, i.e., nonindependent choice, occur in many species including humans. Recent research on humans has shown that women are more attracted to men with attractive ... -
Individual differences affect hormonal responses to a team-based violent videogame competition, but not in solitary play
(University of Missouri--Columbia, 2010)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Testosterone and cortisol were assessed along with various personality measures in response to a violent videogame competition in three different ... -
Is accuracy in fertility detection mediated by differences in the mate value of the rater and target?
(University of Missouri--Columbia, 2009)I propose the existence of a perceptual bias in men toward detecting fertility status in women of similar mate value. To test this hypothesis, 153 male undergraduates (raters) chose which of two photographs of the same ... -
Long-term prospects, personalities, cognitive abilities, and long-term achievement
(University of Missouri--Columbia, 2016)Self-referent performance beliefs can influence people's decision making related to and in pursuit of long-term goals. Current measures of such beliefs, however, do not explicitly focus on the long-term aspects of goal ... -
The nonsymbolic quantitative rudiments of mathematics proficiency in early childhood /
(University of Missouri--Columbia, 2017)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] A broad synthesis of comparative and developmental research on numerical cognition suggests that humans share with nonhuman animals, an evolutionarily ... -
Personality and reproductive success in the Ache (Paraguay) : implications for the evolution of human individual differences
(University of Missouri--Columbia, 2012)This study tested alternative evolutionary mechanisms regarding the maintenance of heritable variation in human personality by examining the relations between personality and reproductive success (RS) in two villages in a ... -
Predicting risk of mathematical learning difficulties in preschoolers : the role of symbolic and nonsymbolic quantitative knowledge
(University of Missouri--Columbia, 2014)There is extensive debate over whether children's mathematical learning difficulties are the result of deficits in the inherent system for nonsymbolic representations of quantity or in their ease of learning quantitative ... -
The relationship between cortisol and social stress in late adolescent girls' friendships
(University of Missouri--Columbia, 2007)The potential mechanisms linking early experience and temperament to coping with common peer dynamics and the stress hormone cortisol were explored for young women in two studies. Girls and women typically use friendships, ... -
Sex differences in the stress responses of children affected by hurricane Katrina
(University of Missouri--Columbia, 2007)Children and young adults between the ages of 11-21 years that were displaced by Hurricane Katrina and currently living in a large relocation camp (n = 68) were compared to a sample of demographically matched controls (n ... -
Testosterone and cortisol in coalitional competition
(University of Missouri--Columbia, 2008)Fourteen teams of three young men competed in within-group and between-group videogame tournaments. Salivary cortisol and testosterone levels were assessed twice before and twice after each tournament, along with intelligence, ... -
What would James Bond do? : signaling and precarious manhood
(University of Missouri--Columbia, 2015)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] In five studies, we investigate the connection between precarious manhood, signaling, and the mate-choice behavior of men. Specifically, we propose ...