Is there coherence among the cognitive components of gender acquisition?

This study examined the relationships among five measures that assess various cognitive components of the child's acquisition of gender. At around 2 years of age, children were given a task assessing their ability to accurately label as a boy or a girl some head-and-shoulders pictures of boys and girls. At 4 years of age, these children were given tasks measuring (1) the degree to which they found gender a salient parameter of categorization, (2) the amount of gender-related knowledge they could display (SERLI-SRD), (3) the degree to which their preferences were gender-typed (SERLI-SRP) and (4) the accuracy of their memory for gender-typed information. There was no consistent pattern of relationship among the children's scores on these five tools for measuring gender acquisition. Our findings suggest that gender is a multidimensional construct in children's development, and thus these results challenge the undimensional manner in which gender is repeatedly addressed in developmental theory and research.This research was funded in part by a federal biomedical research grant (No. 2507RR07080) awarded to the first author from the Department of Psychology at the University of Oregon, and by Grant No. RO1HD175751 from the National Institute of Child Development awarded to the third author.We wish to thank Margo Lane, Rachel Robertson, Jacqui Oucalt, Laura Baker, Dale Roberts, and the teachers, parents, and assistants of the Child Research Laboratory at the University of Oregon in Eugene, Oregon, for their invaluable contribution to this research.     

Taste-aroma interactions in a ternary system: a model of fruitiness perception in sucrose/acid solutions

Cross-modal interactions between aroma, sweetness, and acidity were studied. A series of samples was presented to trained panelists who assessed strawberry flavor intensity using magnitude estimation with a reference modulus. The delivery of aroma stimuli from the different solutions was measured by monitoring exhaled breath using atmospheric pressure chemical ionization-mass spectrometry to determine whether there were any physicochemical effects on volatile release; no significant differences were noted. Three-dimensional predictive models were built to describe perceived strawberry flavor intensity as a function of concentrations of sucrose, acid, and volatiles. Analysis of the data identified two groups of panelists with different responses: For Group 1, increasing sucrose and/or acid levels also increased the perceived flavor intensity. For Group 2, changing sucrose concentrations had little effect, but increasing acid and/or volatile levels did. The results show different effects of organic and inorganic acids on perception, as well as clear interactions between the modalities of taste (sugar and acid) and aroma. The clustering of panelists' responses suggests that this phenomenon may depend on prior associations between the fruity flavor and the tastants.     

Qualities Underlying the Definitions of Gender

Dimensions underlying the definition of items as feminine and masculine were examined in a set of three studies. Items chosen by children as belonging to males or females were used as the initial stimuli. These included traditionally stereotyped items such as a hammer and an iron, as well as more metaphorically related items such as bears and flowers. The raters in all three studies were undergraduates (70% White, 30% minorities). In Study 1, the items were rated using a set of 40 common adjectives. Three factors resulted: two related to masculine items and one to feminine items. In Study 2, a subset of the adjectives were used to rate abstract paintings that had been designated feminine or masculine by another group of adults. In Study 3, a set of stimuli were developed using the adjectives from the previous two studies. The items were rated as feminine or masculine and matched the initial coding of the adjective. The new items were also rated on the same adjectives by another set of adults. Again, the masculine adjectives were assigned to masculine items and feminine to feminine items. There was excellent agreement across three different sets of stimuli on the underlying dimensions of gender definition, even using items that were not traditionally stereotyped.