DEMOGRAPHIC RESEARCH

Background: Mexican women in the United States (US) have higher rates of fertility compared to other ethnic groups and women in Mexico. Whether variation in women’s access to family planning services or patterns of contraceptive use contributes to this higher fertility has received little attention. Objective: We explore Mexican women’s contraceptive use, taking into account women’s place in the reproductive life course. Methods: Using nationally representative samples from the US (National Survey of Family Growth) and Mexico (Encuesta National de la Dinámica Demográfica), we compared the parity-specific frequency of contraceptive use and fertility intentions for non-migrant women, foreign-born Mexicans in the US, US-born Mexicans, and whites. Results: Mexican women in the US were less likely to use IUDs and more likely to use hormonal contraception than women in Mexico. Female sterilization was the most common method among higher parity women in both the US and Mexico, however, foreign-born Mexicans were less likely to be sterilized, and the least likely to use any permanent contraceptive method. Although foreign-born Mexicans were slightly less likely to report that they did not want more children, differences in method use remained after controlling for women’s fertility intentionsPopulation Research Cente

Mass-spectrometric investigation of reaction of oxygen atoms with methane

Mass spectrometric investigation of oxygen atoms reacting with methan

Some problems of the thin film cadmium sulfide solar cell

Storage, humidity, thermal cycling, and mechanism of thin film cadmium sulfide solar cell

Development and application of computer software techniques to human factors task data handling problems Final report, 21 Jun. 1965 - 21 Jun. 1966

Computer software techniques applied to human factors task data handling problem

Intergroup Dialogue as Praxis for Engaging the Intercultural World

Intergroup Dialogue (IGD) is a formalized program that centers dialogue among students in the classroom. The IGD program uses Martin Buber’s (1970) concept of dialogue, and this semester-long project situates dialogue as a useful addition to an Intercultural Communication course. Bringing components of a formal dialogue program into the classroom as a part of a course allows students to engage with difficult topics, such as race, gender, sexual orientation, class, and ability, among others, in a way that helps students process and better understand perspectives different from their own. This essay provides specific opportunities for meaningful dialogue and concludes an evaluation of our semester-long project and the lessons learned along the way

Demographic Change and the Structure of Wages: A Demand-Theoretic Analysis for Brazil

With rapidly declining fertility and increased longevity the age structure of the labor force in developing countries has changed rapidly. Changing relative supply of workers by age group, and by educational attainment, can have profound effects on labor costs. Their impacts on earnings have been heavily studied in the United States but have received little attention in Asia and Latin America, where supply shocks are at least as large and have often proceeded less evenly across the economy. We use data on 502 local Brazilian labor markets from Censuses 1970-2000 to examine the extent of substitution among demographic groups as relative supply has changed. The results suggest that age-education groups are imperfect substitutes, so that larger age-education cohorts see depressed wage rates, particularly among more-educated groups. The extent of substitution has increased over time, so that the decreasing size of the least-skilled labor force today is barely raising its remaining members' wages.

The role of freestream turbulence scale in subsonic flow separation

The clarification of the role of freestream turbulence scale in determining the location of boundary layer separation is discussed. Modifications to the test facility were completed. Wind tunnel flow characteristics, including turbulence parameters, were determined with two turbulence generating grids, as well as no grid. These results are summarized. Initial results on the role of scale on turbulent boundary layer separation on the upper surface of an airfoil model are also discussed