OBJECTIVES To determine the effects of child mortality and fertility preference on fertility status in rural Ethiopia. DESIGN Case-referent where the cases were women with number of children ever born alive was less than five and controls were women with number of children ever born alive greater or equal to five. SETTING Butajira rural health project study base which is a field epidemiolog...

In this paper, we investigate group decision making problems with multiple types of linguistic preference relations. The paper has two parts with similar structures. In the first part, we transform the uncertain additive linguistic preference relations into the expected additive linguistic preference relations, and present a procedure for group decision making based on multiple types of additiv...

Why do some men father children outside of marriage without providing support? Why do some women have children outside of marriage when they receive little support from fathers? Why is this behavior more common among blacks than whites? We estimate a dynamic equilibrium model of marriage, employment, fertility, and child support decisions. We consider the extent to which low earnings, marriage ...

Previous research has shown that time preference affects individuals’ market time allocation and own human capital investments. This paper uses data from the CPS Tobacco Use Supplements, the American Time Use Survey, and the PSID-Child Development Supplement to examine how time preference, as measured by smoking behavior, affects mothers’ time investments in their children under age 13 and chil...

We combined functional analyses and concurrent-schedule assessments to identify reinforcer preference during situations in which problem behavior may have been multiply controlled. Participants were 3 children with developmental delays who engaged in problem behavior during toy play with another child and one adult present, suggesting that problem behavior may have been maintained by adult atte...

Computational methods for discovering the preferences of individuals are useful in many applications. In this paper, we propose a method for learning valued preference structures, using a natural extension of so-called pairwise classification. A valued preference structure can then be used in order to induce a ranking, that is a linear ordering of a given set of alternatives. This step is reali...

background: gender preference is prevalent in some communities and using medical techniques to choose the baby’s sex may cause the gender discrimination and gender imbalance in communities. therefore, evaluating the gender preferences and attitudes towards using sex selection technologies seems to be necessary. methods: this cross-sectional study was conducted in avicenna fertility center. part...