Science competitions are positively linked to students' science career pursuit and admission at top universities. The search for effective gender equity measures has become a priority as girls are less successful during science Olympiad team selection. Based on the expectancy-value model we performed latent profile analysis on a dataset of 445 Chemistry Olympiad participants (51% female, mean age 16.50 years). We characterized motivational profiles, predicted profile membership using the gender-science Implicit Association Test, gender, and socializers’ support, and examined how profile membership influenced performance. We identified four profiles distinguished by career motivation, interest, and domain identification: fearful pessimists, average participants, carefree participants, and worried optimists. The least successful group was associated with stronger gender-science stereotypes, less parental support, and the female gender. We discuss these findings in light of the importance of parental support and the diminishing effect of gender-science stereotypes on feelings of belonging for girls.

科学比赛与顶尖大学的学生对科学事业的追求和录取有着积极的联系。寻求有效的性别平等措施已成为当务之急，因为在科学奥林匹克队选拔过程中女孩的成功率较低。基于期望值模型，我们对445名化学奥林匹克参与者（51％的女性，平均年龄16.50岁）的数据集进行了潜在特征分析。我们对动机概况进行了表征，使用性别科学内隐联想测验，性别和社交者的支持预测了概况成员的身份，并研究了概况成员对绩效的影响。我们根据职业动机，兴趣和领域识别确定了四个特征：恐惧悲观主义者，普通参与者，无忧无虑参与者，以及担心的乐观主义者。最不成功的群体与更强的性别科学定型观念，较少的父母支持以及女性性别有关。我们根据父母支持的重要性以及性别科学定型观念对女孩归属感的影响逐渐减弱来讨论这些发现。