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Journal Article 1: Kolodziej, I., Ackermann, B. J., & Adams, R. D. (2007). Discrimination of cello string height: Musicianship and sex. Perceptual and Motor Skills, 104, 510–518.

Abstract: The aim was to investigate differences by sex and music expertise in performance of a manual proprioceptive skill. Active left hand finger-movement discrimination for differences in string height was examined in a position similar to cello playing. Men and women who were experienced cellists and nonmusicians made active string depression movements and then made absolute judgments regarding which of five string positions were presented. Although no main effect was significant, analysis yielded a sex × musicianship crossover interaction (F1.51 = 8.4, p = .006) wherein the female cellists performed better than the female nonmusicians, and the reverse occurred for males. These significant differences in active movement discrimination across sex and musicianship may be important in further understanding focal hand dystonia, a disorder wherein the interaction of sex and expertise is observed as a strong preponderance in experienced male musicians.

Journal Article 2: Wang, Y., Qu Y., Hou, B., & Tian, Q. (2019). What makes her a material girl?: The influence of childhood economic background and sex ratio on female preference for male resource availability. Evolutionary Psychology, 26, 1–10.

Abstract: Drawing on life history theory, this research explores the moderating role of childhood economic background in the relationship between sex ratio and the female’s mate preference for male resource availability. Using different priming materials, three experiments consistently found that women with a rich childhood economic background showed a stable level of mate preference for good resource--this applied regardless of male- or female-biased sex ratio. But females with a poor childhood economic background showed a higher level of preference for male resource availability under the condition of female-biased sex ratio (vs. the condition of male-biased sex ratio). These findings support the moderating role of female childhood economic background in the relationship between sex ratio and their mating preference of good resources.