ABSTRACT Comparison of a large series of sexed adult skeletal populations and a similar series of adult pre-industrial peoples shows that there is a regular and systematic bias in the sexing of adult skeletons. This bias, which is about 12 % in favor of males, is due to the nature of secondary sex

This is an electronic version of the article published as Napoleon, M.E. and King, B.H. 1999. Offspring sex ratio response to host size in the parasitoid wasp Spalangia endius. Behavioral Ecology and Sociobiology 46:325-332. The original publication is available at www.springerlink.com.

Objective: The purpose of this study was to assess changes in knowledge and attitudes before and after a large-scale sex education curriculum that was implemented by an academic medical center. Study design: Middle school students were surveyed regarding demographics, knowledge, atti

Objective: To assess changes in knowledge and attitudes of adult groups before and after attending an educational presentation on adolescent sexual health. Study design: A diverse group of adults attended the presentations and completed a presurvey and postsurvey containing 10 knowledge questions, 3 opinion questions, and demographics.

Key words: sex determination – gonadal

preservation) were noted in the amygdala, hippocampi, and entorhinal cortex. Global white matter did not decline with age, but local areas of relative accelerated loss and preservation were seen. There was no interaction of age with sex for regionally specific effects. These results corroborate previous

Abstract (Summary)

'." (The Odyssey, Book VII, 800 BC). Despite these suggestive words, Homer's description hardly fits the common-sensical perceptions of reward, which largely belong to one of two categories. People often consider a reward as a particular object or event that one receives for having done something well

In this paper we analyze the learning behavior of two populations engaged in playing a 'Battle of the sexes' game. The players do not know the payoff function of the game but change their strategy with some probability if they learn via direct communication with other players about a

recidivism (from 17.4 to 9.9%) and general recidivism (from 51 to 32%). Older forms of treatment (operating prior to 1980) appeared to have little effect. Future directions for improving the quality of sex offender treatment outcome evaluations are discussed. KEY WORDS: sex offender treatment; evaluation