Supports theory

The study of Curtis et Al (2004) supports the theory of evolution through its findings. The notion that women have a stronger reaction when compared to men helps shape our understanding of evolution since it is generally women that have a greater responsibility in reproduction and have a closer connection with the foetus, offering it protection and nutrition. Another point is that older people have decreased disgust reactions.

This result fits in well, since older persons usually have a limited ability to reproduce (e.g.. menopause). It is also important to consider that a higher degree of experience can be associated with older participants meaning that they may have developed coping mechanisms and different approaches to problematic situations. In the case of Curtis et Al this has applications in that old people may not need to feel disgusted, but perhaps employ a different strategy to reap the benefits of the protection associated with it. These additional variables lead to the conclusion that there are a number of influences on our mechanisms of behaviour and the theory of evolution in psychology as a whole such as one’s culture and environment. Both of these findings support the idea that the mechanism of disgust is a key factor in reproduction, thus supporting the theory of evolution.

In spite of such established evidence, there are some points to consider in examining the evolutionary there as a whole. Evolutionary theories can be considered as providing a reductionist explanation for complex ideas as they undermine the role of environmental factors in the gradual shaping of behaviour. Research based in the area of evolution is speculated since little is known about homo sapien human ancestors.

Their behaviour is generally assumed, potentially decreasing the validity of research based on human evolutionary theories. Empirical testing in the field of evolution is quite restricted, causing a chance of the appearance of confirmation bias; the researcher observing that which they whish to observe. The presence of confirmation bias in evolutionary theories is strongly supported by Hayes (2005). Stephen Rose (2005) states that evolutionary psychology has a “Flintstone” approach in analysing mankind. This means that evolutionary explanations focus too much on the past and don’t take into account the modern world and its changes. However, the concept of “genome lag” is brought by evolutionary psychologists as reasoning for this approach. This is also referred to as both genetic determinism and genetic reductionism.

In summation, evolution is the theory that the organisms with traits that are most adapted to an environment and therefore ‘fittest’ are selected for through Natural Selection. This theory was initially proposed by Charles Darwin. In psychology, the focus is on the mechanisms of behaviour or the biological factors which dictate the expression of behaviour and their changes rather than the behaviours themselves.

The way in which these mechanisms are investigated is outlined in the research of Fessler (2006) and Curtis et Al (2004), who focused on the mechanisms of the emotion of disgust. Their results have applications in the universal theory of emotions of both Ekman and Charles Darwin. They are especially pertinent since Edman had initially disagreed with evolutionary theories but is now convinced that there exist 6 universal emotions, one of which is disgust. The research of Curtis suggests that disgust is an emotion which has existed as a product of the human genome for centuries, serving as a shield from danger.

This concept is further elaborated by Fessler who suggests that pregnant women experience disgust to protect their foetus from harmful or infected foods which may evoke disgust within the mother. The mechanism of disgust is validated by a considerable amount of evidence, leading to the conclusion that it plays an important role in human survival and has evolved over millions of years. However, the influence that the environment has on this mechanism should’t be underestimated as there exist many particularities in terms of disgust for a wide range of cultures e.g.. vegemite in the Australian culture.

Evolution is a theory initiated by Charles Darwin, primarily in his book, Origin of the Species. It contains fundamental principles including natural selection, survival of the fittest and competition. Natural Selection suggests that advantageous genes are passed down through to …

A nursing theory is very interesting but when discussed within its context. The sole primary element of and in nursing is first practice, which implies that nursing exists for the reason that there is a group of people to be …

This theory also has a part on education for example the repetition of the way a teacher pronounces something in a language class or the way a teacher explains something. Students believe in their teachers as a person whom knows …

Then it was essential to calculate the means of the advantage that ‘M’ had over ‘R’. It was found that the mean for the first recall was 1.64 whereas the mean for the second recall was 1.36. This suggests there …

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