Ilex paraguariensis St.Hil. é uma espécie de importância econômica tendo em vista sua utilização na região meridional da América do Sul no preparo do chimarrão, uma bebida estimulante, preparada pela infusão de suas folhas e talos moídos. Este trabalho apresenta a análise de metilxantinas em folhas de I. paraguariensis e outras espécies de Ilex freqüentemente relatadas como adulterantes. A dete...

Previous studies on sex-differentiated mate preferences have focused on univariate analyses. However, because mate selection is inherently multidimensional, a multivariate analysis more appropriately measures sex differences in mate preferences. We used the Mahalanobis distance (D) and logistic regression to investigate sex differences in mate preferences with data secured from participants res...

WASTE NOT William Edwards Deming, the first child of William Albert Deming and Pluma Irene Edwards, was born on 14 October 1900 in Sioux City, Iowa. His father worked mainly in freelance legal work and his mother gave music lessons on their grand Kimball piano. As a child, Deming grew up in meagre conditions. He and his family lived for years in a tarpaper shack. As a boy he worked at a hotel f...

This paper describes the state of the art of coding schemes for dialogue acts and the efforts to establish a standard in this field. We present a review and comparison of currently available schemes and outline the comparison problems we had due to domain , task, and language dependencies of schemes. We discuss solution strategies which have in mind the reusability of corpora. Reusability is a ...

Studies have long investigated similarities and differences in men’s and women’s mate preferences. This study sought to expand on previous research by investigating whether mate value moderated participants’ design of mates. Using both a budgeted and a non-budgeted mate design task, we investigated the effect of mate value on the design of a mate. We found that mate value consistently predicted...

The function of mate retention tactics is to prevent a long-term partner from defecting from the relationship and to ward off potential mate poachers. These tactics include Concealment of Mate, Appearance Enhancement, and Violence against Rivals. The current research is the first to investigate the performance of husband’s and wife’s mate retention tactics over time. We assessed 49 husbands and...

Two studies explored the effect of fear priming on women’s mate preferences. In Study 1, 53 females completed Implicit Attitudes Tests (IATs) that measure preferences for strong-versus-weak and friendly-versus-aggressive mates. Participants listened to a fear-prime or control scenario, completed IATs and an emotion scale. Reaction times indicated overall (non-significant) preferences for strong...

Research in educational multimedia shows many benefits of learning with the use of multimedia environments. To take advantage of these benefits we developed Multimedia Assisted Teaching Environment (MATE), which is currently trialled in supporting our teaching of IT subjects. MATE’s main strength is its ability to facilitate reuse of multimedia components while developing teaching material. In ...