Discuss Sex differences in Parental Investment (8 and 16.

Outline and evaluate the evolutionary explanation of Parental Investment (24 Marks): Trivers defines parental investment as any investment made by the parent in an individual offspring that increases the offspring’s chance of surviving at the cost of the parent’s ability to invest in other offspring.

A consequence of the sex differences in parental investment is that some women may attempt to offset their greater parental investment by cuckolding their partners. The benefits which women could obtain from this behaviour include additional social or financial support from another male or higher-quality genes for a child. However, risks of.


Parental Investment Essay Aqa

The minimum parental investment for males, on the other hand, would have been a few moments of copulation and a teaspoonful of semen (Symons, 1979). The result is an enormous difference in the potential maximum reproductive success of the sexes, so making random mating all the more costly for females. Parental investment and cuckoldry Edit.

Parental Investment Essay Aqa

The Investment Model was put forward by Rusbult et al. (2001), as a development of Social Exchange Theory. The rationale for developing SET further was that many couples stay together despite the costs outweighing the rewards, so there must be some other factors that keep them together. Rusbult's Investment Model investigates what these other factors might be.

Parental Investment Essay Aqa

Parental investment a2 psychology essay Evidence that parental investment. Trivers, carolina essay prompts factors affecting parental investment theory essay research paper service. Generally, examples, this ebook covers your unit 1 exam for free. Nest success and the best policy ethical reflective essay on the evolutionary behaviour comes from comparative studies.

 

Parental Investment Essay Aqa

The calculation and use of cash flows in capital investment appraisal. Payback and net present value (discounted cash flow) of a capital project. Payback and net present value of a capital project will include understanding relevant terminology: payback period, net present value, discount factor, cost of capital.

Parental Investment Essay Aqa

Parental Investment and Anisogamy Theory. In 1972, Robert L. Trivers hypothesized that sexual selection via numbers of mates variance worked more strongly on the sex that provided the least parental investment. His argument makes intuitive sense and was that the sex that provided the most parental investment (usually females) was limited by.

Parental Investment Essay Aqa

The UK is experiencing a period of economic change. This is happening as a result of several factors, including globalisation, government policies and deindustrialisation. The government manages.

Parental Investment Essay Aqa

Tool Module: Sexual Selection and the Theory of Parental Investment. Sexual selection is such a distinctive form of natural selection that it is often described as a separate mechanism. It occurs in species where the two sexes are strongly differentiated and individuals compete to attract members of the opposite sex.

 

Parental Investment Essay Aqa

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Parental Investment Essay Aqa

Parental investment theory states the sex making the biggest investment will be pickier when selecting a mate. In humans - this means females are chose and males compete for access. This leads to very different short term mating - males mate more than females.

Parental Investment Essay Aqa

Stress, social influence and abnormality. Formation of relationships. Maintenance of relationships. Breakdown of relationships. Cultural influences on relationships. Childhood influence on relationships. Sexual selection and human reproductive behaviour. Sex differences in parental investment. Genetic factors involved in aggression.

Parental Investment Essay Aqa

Essay of 3 pages for the course unit 3 relationships at Penwith College Penzance.

 


Discuss Sex differences in Parental Investment (8 and 16.

There are lots of ways that can help to reduce the development gap. Investment Large companies can locate part of their business in other countries. This helps a country to develop as the.

Parental investment as defined by Trivers in 1972 is the investment in offspring by the parent that increases the offspring's chances of surviving and hence reproductive success at the expense of the parent's ability to invest in other offspring. A large parental investment largely decreases the parents' chances of investing in other offspring.

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This website gives model answers to all potential 24 mark questions in the topics of relationships, aggression and gender in unit 3 of AQA Psychology A. This blog is relevant to the current specification (as of 2015). Use the tools on the right to view answers by topic or by past paper. Click each question to see the full answer. Happy revising!

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