WGS250H5 Chapter : Killing the black body- Dorothy Roberts
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1. Life expectancies differ across populations. Life expectancy at birth in the U.S. is currently around 78 years (76 for males; 81 for females). Consider a population in which life expectancy at birth is 50. Given what you know about life history theory, discuss how this population would differ from the U.S. across the following life history characteristics: age at first marriage, age at first reproduction, total fertility (number of children born per female), length of time spent in school, and money spent on education. Be sure to support your predictions using life history theory.
2. The following data on interbirth interval (time between births), child survivorship, and percent of children married were collected to evaluate reproductive decisions within a population. Assuming a woman of this population has a 20-year reproductive span (maximum time available from first to last birth), use these data to 1) calculate the maximum number of live births a woman could have, and 2) determine the number of births that will lead to the highest fitness (surviving children who marry) if we assume that all married children will have the same number of offspring. To receive credit, you must show your work. Lastly, what are the implications of your results?
% child %
IBI (months) Survivorship ever married
12 | 0.6 | 0.4 |
15 | 0.64 | 0.47 |
18 | 0.68 | 0.54 |
21 | 0.72 | 0.61 |
24 | 0.76 | 0.68 |
27 | 0.8 | 0.75 |
30 | 0.84 | 0.82 |
33 | 0.88 | 0.89 |
36 | 0.88 | 0.96 |
39 | 0.89 | 0.96 |
42 | 0.9 | 0.96 |
45 | 0.91 | 0.96 |
48 | 0.92 | 0.96 |
51 | 0.93 | 0.96 |
54 | 0.94 | 0.96 |
57 | 0.95 | 0.96 |
60 | 0.96 | 0.96 |
1. Because many men traditionally have not produced a lot of household commodities
a. | they are more likely to reduce hours of work after a decrease in their wage rate |
Ā | b. their income effect is likely to be smaller than that of women |
Ā | c. they can more easily substitute leisure for household production |
d. | they are less likely to reduce hours of work after a decrease in their wage rate |
2. One of the main changes in the typical family in the United States over the past 30-40 years has been
Ā | a. non-marital births have decreased appreciably |
Ā | b. marriage has declined while cohabitation has risen |
Ā | c. single-parent families have fallen considerably |
Ā | d. median age at first marriage has decreased |
3. A single mother is currently paying childcare cost of $10 an hour and she works 8 hours a day. The government then decides to provides child care at a constant $80 a day. The effect of this event will be to:
Ā | a. cause the mother to work more hours |
Ā | b. cause the mother to work less hours |
Ā | c. cannot tell without knowing which effect dominates: the income or substitution effect |
Ā | d. cause the mother to work the same hours |
4. Which statement correctly describes the relationship between Marriage and Poverty?
Ā | a. poverty as a whole can be solved by people just having children |
Ā | b. Children who grow up in a dual parent household are significantly more likely to experience poverty |
Ā | c. Children who grow up in a dual parent household are significantly less likely to experience poverty |
Ā | d. poverty as a whole can be solved by people just staying married |
5. The real determining "discriminatory" factor in higher education today is
a. | "out of state" status |
b. | race |
Ā | c. income |
Ā | d. gender |