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Related Concept Videos

Close Relationships and Culture01:29

Close Relationships and Culture

Culture shapes how people approach attraction, choose partners, and build long-term relationships. While some preferences in mate selection appear consistent across cultures, such as men valuing physical attractiveness and women emphasizing financial resources, cultural contexts influence how these preferences are expressed and prioritized. Marriage extends beyond romantic ideals in many societies and is deeply embedded in social, economic, and religious frameworks.The Role of Culture in Mate...
Natural Selection and Mating Preferences01:06

Natural Selection and Mating Preferences

The principle of natural selection posits that organisms better adapted to their environment are more likely to survive and reproduce. This principle is closely intertwined with mating preferences, a key aspect of sexual selection, which evolutionary psychologists believe is driven by instincts to propagate one's genes. Such instincts significantly influence mating behaviors and preferences between genders.
Females, due to their biological roles in conception, pregnancy, and nursing, inherently...
Testing a Claim about Population Proportion01:24

Testing a Claim about Population Proportion

A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
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Desirable Characteristics in Others01:26

Desirable Characteristics in Others

Various factors, including the type of relationship, gender, and duration of the relationship, influence the perception of desirable characteristics in others. While certain traits such as trustworthiness, cooperativeness, agreeableness, and extraversion are universally valued across all relationships, other characteristics are context-dependent and gain prominence based on specific relational dynamics.Universal and Context-Dependent TraitsTrustworthiness and cooperativeness are fundamental...
Regression Toward the Mean01:52

Regression Toward the Mean

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Mate Choice01:20

Mate Choice

Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.

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Related Experiment Videos

Below replacement fertility preferences in Shanghai.

M Giovanna Merli1, S Philip Morgan

  • 1Sanford School of Public Policy, Duke Population Research Institute and Duke Institute of Global Health, Duke University.

Population
|September 17, 2013
PubMed
Summary

China

Area of Science:

  • Demography
  • Sociology
  • Public Health

Background:

  • China's total fertility rate (TFR) is low, ranging from 1.4 to 1.6, placing it among low-fertility countries.
  • Future fertility trends in China are debated, hinging on whether personal fertility desires exceed state objectives.
  • Relaxing family planning policies could potentially increase fertility if individual preferences are higher than current goals.

Purpose of the Study:

  • To investigate the potential impact of relaxed family planning policies on fertility intentions in Shanghai.
  • To assess whether Chinese individuals would have more children if policy restrictions were eased.

Main Methods:

  • A probability sample of Shanghai residents (registered and migrant) was surveyed.
  • Direct questions were posed regarding intentions to have additional children following policy relaxation.

Related Experiment Videos

Main Results:

  • The study found that most urban residents in Shanghai intend to have small families (one or two children).
  • Fewer than 14% of respondents indicated they would revise fertility intentions upward if policies were relaxed.
  • Even a potential 10% increase in fertility is uncertain due to factors that may suppress fertility.

Conclusions:

  • Empirical data from Shanghai suggests that relaxing family planning policies may not lead to a substantial fertility increase.
  • Individual fertility intentions in this urban Chinese setting appear to favor smaller family sizes.
  • Findings provide a data-driven perspective on future fertility trends, independent of policy constraints.