本研究試圖通過在進化心理學理論的框架內解釋和預測男性的攻擊和創造力。該框架基於性選擇理論，該理論認為人類的許多特質，包括攻擊和創造力可能與性選擇的進化過程有關。人的很多行為因受到性間和性內選擇壓力的影響，而會對具體的擇偶情境作出特定的反應。達爾文的性選擇理論提出，性間選擇壓力與裝飾品式的行為有關，而性內選擇壓力與武器式的行為有關。本論文通過三個實證研究，同時探討這兩種選擇壓力引發的擇偶情境與男性行為之間的關係。我假設性間選擇與創造力相關，而性內競爭與攻擊性相關。 / 在研究1和2中，通過實驗區分兩種擇偶情境來啟動性間和性內選擇相應的動機。具體來說，我要求大學生被試實際參與一個與異性約會的模擬遊戲（研究1）或者想像一個約會情景（研究2），並告知他們的行為表現會讓這一異性評價或者讓其他同性追求者評價。接著他們分別完成測量創造力（即，“納入類別任務“和“不同尋常用法任務“）和攻擊行為（“競爭性反應時任務“）的任務，被試在兩個任務的表現分別代表他們的裝飾品式行為和武器式行為。研究1和2的結果都一致地顯示，與男性大學生在性內選擇條件下相比，男性大學生在性間選擇條件下表現出更高的創造力但是更低的攻擊性。而對於女性大學生來說，他們在性間和性內兩個條件下的創造力和攻擊性表現沒有差異。研究3進一步探討對於裝飾品式行為和武器式行為特點不同的男性，他們是否會參與不同的擇偶策略（異性吸引或同性競爭）來獲得異性配偶。也就是說，有創造力的男性更傾向於採取異性吸引的策略，而攻擊性的男性則更傾向於採取同性競爭的策略。該研究使用問卷調查，118名男性大學生被試完成創造力和攻擊性相關的人格量表以及自編擇偶策略問卷。多元回歸分析結果顯示，創造力與異性吸引策略相關，而攻擊性與同性競爭策略相關。 / 本論文的三個研究結果支持了基於達爾文的性選擇理論的假設，男性使用創造力作為吸引女性的裝飾品，因此性間選擇與創造力相關；而男性也會使用攻擊來作為武器去跟同性競爭，因此性內選擇與攻擊相關。本研究結果具有如下的研究和實際意義。首先，現有的文獻只是在比較不同物種所具有的專門化擇偶策略時，才會功能性地區分性間與性內選擇壓力。本研究顯示這兩類選擇壓力對人類男性同樣適用。不同的選擇壓力還會造成物種內的個體差異性。如本研究的結果所示，男性在應對這兩種類型選擇壓力時會選擇性地做出反應，表現出獨特的行為來。其次，裝飾品式和武器式的擇偶策略不僅能夠依據不同的情境而被啟動，而且還會被看做是不同的人格特質，允許個體優化他們的性間選擇或性內競爭。第三，基於對人類這兩類行為的終極功能的進化理解，本研究結果有助於發展教育情境內（干預）專案或者課程，以提高學生的創造力及降低攻擊性。 / The present study examines male aggression and creativity as functions of inter-and intra-sex context within the framework of sexual selection. According to sexual selection theory, both intra-sexual competition, mainly among the unlimited sex, or males, and mate choice, mostly by the limiting sex, or females, lead to wide ranging sex dimorphic attributes, which are referred to as weapons (e.g., aggression) and ornaments (e.g., creativity). Within this evolutionary framework, I tested the hypothesis that inter-sexual courtship was associated with creativity as an ornament-like behavior, whereas intra-sexual competition was associated with aggression as a weapon-like behavior. / In the first two studies, I experimentally manipulated two mating situations to prime the motivation either for inter- or intra-sex selection in the laboratory. Specifically, these two motivations were manipulated by having university undergraduate students participate in a simulated dating game (Study 1) or imagine a romantic mating situation (Study 2) with their performance being evaluated either by a female date or male suitors. A set of creativity tasks (i.e., Category Inclusion Task and Unusual Uses Task) and an aggression task (Competitive Reaction Time Task) were used to measure ornament- and weapon-like behavior, respectively. The results in both Study 1 and 2 provided the consistent evidence, showing that men under the intra-sexual selection condition showed a higher level of aggression and lower level of creativity than men under the inter-sexual selection condition. For women, there was no difference between inter-sexual and intra-sexual selection conditions. In Study 3, I further examined whether individual differences in ornament- and weapon-like traits might influence men’s mating behaviors. I hypothesized that creative men tended to engage in inter-sexual courtship, whereas aggressive men tended to engage in intra-sexual competition. Survey data based on 118 male undergraduate students from a Chinese university showed that creativity, but not aggression, predicted inter-sexual courtship whereas aggression, but not creativity, predicted intra-sexual competition. / Together, these studies support the evolutionary theory that inter-sex courtship was related to creativity which men employed as an ornament to attract females, whereas intra-sex competition was related to aggression which men used as weapons. These findings have several implications. First, I showed the same functional distinction between intra- and inter-sex selection pressures on human males. The existing literature draws such functional distinction only when comparing different species with specialized mating strategies. Different selection pressures also act on individuals within the same species to create individual differences. As shown in the present study, men might selectively respond to these two kinds of sexual selection pressures with distinct behaviors. Second, both ornament- and weapon-like mating strategies are not only situationally activated but can also be regarded as personality traits that allow individuals to optimize either intra-sexual competition or inter-sexual courtship. Third, the results may help to develop educational programs aimed at increasing creativity and reducing aggression that are based on the evolutionary understanding of the ultimate functions of these two human behaviors. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Chen, Binbin. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2012. / Includes bibliographical references (leaves 60-83). / Abstract also in Chinese; appendixes include Chinese. / Abstract --- p.ii / 摘 要 --- p.v / Acknowledgements --- p.vii / Chapter CHAPTER 1： --- INTRODUCATION --- p.1 / The Evolutionary Framework of Sexual Selection --- p.2 / Sexual Selection --- p.2 / Weapon and Ornament --- p.6 / Evidence on Inter-sexual Selection on Ornaments --- p.7 / Evidence on Intra-sexual Selection on Weapons --- p.8 / Men’s Mating Psychology --- p.9 / Sexual Over-perception Bias --- p.9 / Unrestricted Sexual Behavior --- p.10 / Sexual Jealous --- p.11 / Ornament- and Weapon-like Behaviors --- p.12 / Sexual Selection on Creativity and Aggression --- p.16 / Creativity as an Ornament under Inter-sexual Selection --- p.17 / Aggression as a Weapon under Intra-sexual Selection --- p.19 / The Current Research --- p.21 / Chapter CHAPTER 2: --- EMPERICAL EVIDENCE --- p.23 / Study 1 --- p.23 / Method --- p.23 / Results and Discussion --- p.27 / Study 2 --- p.30 / Method --- p.30 / Results and Discussion --- p.32 / Study 3 --- p.35 / Method --- p.37 / Results and Discussion --- p.39 / Chapter CHAPTER 3: --- GENERAL DISCUSSION AND CONCLUSION --- p.41 / Inter- and Intra-sexual Selection on Creativity and Aggression --- p.41 / Educational Implications --- p.47 / Limitations and Future Directions --- p.50 / Conclusion --- p.55 / APPENDIX --- p.56 / REFERENCES --- p.60

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Recent advances in courtship theory emphasize day-today interaction and the environment in which interaction takes place as critically important in the understanding of relationship development. The purpose of this study was to determine the influence of college course assignments on time spent in relationship activities and, similarly, the influence of time spent in relationship activities on relationship satisfaction. As college couples are often the subjects of relationship studies, consideration of the college environment seemed both appropriate and overdue. The sample consisted of 35 serious dating couples in which both partners were full-time students. A telephone survey methodology was developed so that couples could report coded relationship behaviors both conveniently and confidentially. Data were collected twice a week for 8 1/2 weeks during winter term 1987 at a large northwestern university. Results indicated: (1) previous, current, and up-coming course assignments were influential regarding reported time in selected relationship activities, and, in general, tended to increase time in activities; (2) when assignments decreased relationship activity, men's assignments were more influential. Women's assignments, particularly previous assignments, were found likely to increase relationship activity. Regarding the influence time spent in activities had on relationships satisfaction, the data indicated that time spent eating together and in affectionate behavior were activities that increased relationship satisfaction. Discussion centered on the "interpersonal process" framework of relationships development and on the timing of course workload on relationships. Conclusions suggested the academic environment does have an effect on dating relationships and that this effect may be similar to work and family issues that society as a whole is facing. / Graduation date: 1990

Thesis (Ph. D.)--University of Missouri-Columbia, 2002. / Typescript. Vita. Includes bibliographical references (leaves 374-389). Also available on the Internet.

Thesis (M. Sc.)--Acadia University, 2001. / Includes bibliographical references (leaves 87-91). Also available on the Internet via the World Wide Web.

Thesis (Ph. D.)--University of Missouri-Columbia, 2002. / Typescript. Vita. Includes bibliographical references (leaves 374-389). Also available on the Internet.

This study explored individual differences in rates of infidelity by examining the associations among attachment styles, gender roles, emotion regulation strategies, and experiences of infidelity. While both indirect and direct support has been found between several of these variables when assessed separately, no known studies have examined emotion regulation as a partial mediator between attachment styles and infidelity and between gender roles and infidelity. Moreover, infidelity is still a relatively newly studied construct. The current study examined four types of infidelity and is the first known study to examine the construct of anonymous infidelity. Four hundred and six participants were recruited through the Educational Psychology subject pool, Facebook, and local newspaper ads, resulting in a predominantly college student population. A mixed methods approach was utilized and included the collection of quantitative data via a secure, online questionnaire, as well as a qualitative component examining open-ended responses from 50 participants to offer a more complete understanding of the different forms of infidelity. As predicted, path analyses revealed that individuals higher in certain attachment styles engaged in higher levels of infidelity, including emotional, combined, and anonymous infidelity. Femininity was also found to be linked to lower rates of combined infidelity. As predicted, secure attachment, preoccupied attachment, and femininity were negatively linked to the use of suppression, while fearful attachment was positively linked to the use of suppression. Surprisingly, masculinity was negatively linked with the use of suppression. Furthermore, the use of suppression was linked to higher incidents of combined infidelity. However, contrary to predictions, there was no support for emotion regulation serving as a mediator between either attachment styles or gender roles and infidelity. The qualitative analysis uncovered salient themes related to the definition and experience of infidelity, as well as conditions potentially conducive to experiences of infidelity and consequences of infidelity. Anonymous infidelity emerged as an interesting construct within the college culture of dating. These findings are discussed in the context of attachment theory and theories of gender identity, and the implications of the findings for prevention and intervention efforts within clinical practice are described. / text

published_or_final_version / Medical Sciences / Master / Master of Medical Sciences

Dating and sexual relations are basic processes in the lives of most human beings. However, dating and sexual relationships in HIV positive peoples’ lives are fraught with challenges. Limited knowledge of these challenges is recorded. Studies focusing on the challenges of serodiscordance, ARVS, adherence, side effects of ARVS, condoms, reproduction, disclosure and stigma are plentiful, however studies addressing dating and sexual challenges of HIV positive people are sadly lacking. The study described and explored the dating and sexual challenges faced by HIV infected people. The systems and ecosystems approach provided the theoretical framework for the study. A descriptive and exploratory design was chosen for this study. Purposive and snowball sampling was utilised to access respondents for this study. Data was collected qualitatively, using semi-structured interviews with 12 HIV positive respondents. The interviewed lasted between 1 to 2 hours. This study found that People living with HIV (PLHIV) experience many challenges in their dating and sexual lives. The challenges varied amongst the respondents. The challenges were divided into the following themes: disclosure; stigma; rejection and discrimination; dating options to pursue; serosorting or abstaining; guilt; anger; blame; social disconnection; negative self esteem and fear; physical, medical and psychological factors; impact of ARVS; sexual changes/sexual dysfunction; reproduction; community/society; the media; counselling, awareness and education about dating and sexual relationships; government and the consequences of relationships ending. The study encouraged further research on the topic. / Thesis (M.A.)-University of KwaZulu-Natal, Durban, 2012.